Cleartext transmission of sensitive information in NETGEAR R7800
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NETGEAR | R7800 | 1.0.2.76 | — | No fix listed | CNA |
- R7800 VendorNETGEAR Affected 1.0.2.76 Fixed in — No fix listed CNA
CPE configurations NVD · 86
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:br200_firmware:*:*:*:*:*:*:*:* | before 5.10.0.5 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:br200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:br500_firmware:*:*:*:*:*:*:*:* | before 5.10.0.5 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:br500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* | before 1.0.1.60 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6100v2_firmware:*:*:*:*:*:*:*:* | before 1.0.1.98 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* | before 1.0.1.98 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6150:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
- cpe:2.3:o:netgear:br200_firmware:*:*:*:*:*:*:*:* Versions before 5.10.0.5 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:br200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:br500_firmware:*:*:*:*:*:*:*:* Versions before 5.10.0.5 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:br500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.60 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6100v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.98 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.98 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6150:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
Show 76 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6250:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* | before 1.0.2.158 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6400:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6410:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex6420:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* | before 1.0.2.158 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex7300:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:* | before 1.0.0.134 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex7320:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:* | before 1.0.0.216 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex7700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* | before 1.0.1.232 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:* | before 2.6.3.50 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:lbr20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* | before 1.0.2.80 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* | before 1.0.5.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* | before 1.0.5.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk13_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk13:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk14_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk14:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk15_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk15:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk23_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk23:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk43_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk43:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk43s_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk43s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk44_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk44:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk53_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk53:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* | before 2.7.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* | before 2.6.2.104 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:xr450_firmware:*:*:*:*:*:*:*:* | before 2.3.2.114 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* | before 2.3.2.114 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:* | before 1.0.1.38 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.158 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6400:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex6420:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.158 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex7300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.134 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex7320:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.216 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex7700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.232 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:* Versions before 2.6.3.50 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:lbr20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.80 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk13_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk13:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk14_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk14:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk15_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk15:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk23_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk23:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk43_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk43:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk43s_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk43s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk44_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk44:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk53_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk53:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* Versions before 2.6.2.104 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:xr450_firmware:*:*:*:*:*:*:*:* Versions before 2.3.2.114 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* Versions before 2.3.2.114 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.38 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27251
- 2026-10-03 Alias added: GHSA-2wc2-8hhf-wr42
- 2026-11-04 Priority changed: LOW → MEDIUM
References
More NETGEAR Br200 Firmware vulnerabilities
- TI-2021-08795 Missing authentication in NETGEAR R7800 CVSS 3.1HIGH 8.8
- TI-2021-08793 Heap-based buffer overflow in NETGEAR R7800 CVSS 3.1HIGH 8.8
- TI-2021-08792 OS command injection in NETGEAR R7800 CVSS 3.1HIGH 8.8
- TI-2021-08796 OS command injection in NETGEAR R7800 CVSS 3.1HIGH 8.8
- TI-2021-08794 Hard-coded credentials in NETGEAR R7800 CVSS 3.1HIGH 8.8
- TI-2021-08797 Improper certificate validation in NETGEAR R7800 CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-27251 · CVE Program
- CVE-2021-27251 · NVD
- FIRST EPSS
- GHSA-2wc2-8hhf-wr42 · GitHub Advisory Database · CC BY 4.0
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