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TI-2021-08797 Aliases CVE-2021-27257GHSA-q57h-78h9-m59j

Improper certificate validation in NETGEAR R7800

Priority LOW 29CWE-295Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via FTP. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-12362.

Why it matters now

EPSS 0.00323 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
NETGEARR7800firmware version 1.0.2.76—No fix listedCNA
  • R7800 VendorNETGEAR Affected firmware version 1.0.2.76 Fixed in — No fix listed CNA

CPE configurations NVD · 86

CPEVersionsRoleVendor
cpe:2.3:o:netgear:br200_firmware:*:*:*:*:*:*:*:*before 5.10.0.5VulnerableNETGEAR
cpe:2.3:h:netgear:br200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:br500_firmware:*:*:*:*:*:*:*:*before 5.10.0.5VulnerableNETGEAR
cpe:2.3:h:netgear:br500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*before 1.0.1.60VulnerableNETGEAR
cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6100v2_firmware:*:*:*:*:*:*:*:*before 1.0.1.98VulnerableNETGEAR
cpe:2.3:h:netgear:ex6100v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6150v2_firmware:*:*:*:*:*:*:*:*before 1.0.1.98VulnerableNETGEAR
cpe:2.3:h:netgear:ex6150v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • 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:ex6100v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6150v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.98 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6150v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 76 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex6250:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*before 1.0.2.158VulnerableNETGEAR
cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex6400v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex6410:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex6420:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*before 1.0.2.158VulnerableNETGEAR
cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex7300v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex7320:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:*before 1.0.0.216VulnerableNETGEAR
cpe:2.3:h:netgear:ex7700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:*before 1.0.1.232VulnerableNETGEAR
cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:*before 2.6.3.50VulnerableNETGEAR
cpe:2.3:h:netgear:lbr20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*before 1.0.2.80VulnerableNETGEAR
cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*before 1.0.5.28VulnerableNETGEAR
cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*before 1.0.5.28VulnerableNETGEAR
cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk13_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk13:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk14_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk14:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk15_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk15:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk23_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk23:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk43_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk43:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk43s_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk43s:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk44_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk44:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk53_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk53:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:*before 2.7.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:xr450_firmware:*:*:*:*:*:*:*:*before 2.3.2.114VulnerableNETGEAR
cpe:2.3:h:netgear:xr450:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*before 2.3.2.114VulnerableNETGEAR
cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:*before 1.0.1.38VulnerableNETGEAR
cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • 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:ex6400v2:-:*:*:*:*:*:*:* Versions not specified by NVD 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:ex7300v2:-:*:*:*:*:*:*:* Versions not specified by NVD 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

  1. 2026-10-02 Threatist record created from CVE-2021-27257
  2. 2026-10-03 Alias added: GHSA-q57h-78h9-m59j

References

  • 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-2021-08791 Cleartext transmission of sensitive information in NETGEAR R7800 CVSS 3.1HIGH 8.8
  • TI-2021-08794 Hard-coded credentials in NETGEAR R7800 CVSS 3.1HIGH 8.8

Sources