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TI-2021-20705 Aliases CVE-2021-45618GHSA-8fp7-34g5-gw45

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.

Priority MEDIUM 46CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-77.

Summary

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.64, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.134, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, LBR20 before 2.6.3.50, R7800 before 1.0.2.80, R8900 before 1.0.5.26, R9000 before 1.0.5.26, RAX120 before 1.2.0.16, RBS50Y before 1.0.0.56, WNR2000v5 before 1.0.0.76, XR450 before 2.3.2.114, XR500 before 2.3.2.114, XR700 before 1.0.1.36, EX6150v2 before 1.0.1.98, EX7300 before 1.0.2.158, EX7320 before 1.0.0.134, EX6100v2 before 1.0.1.98, EX6400 before 1.0.2.158, EX7300v2 before 1.0.0.134, EX6410 before 1.0.0.134, RBR10 before 2.6.1.44, RBR20 before 2.6.2.104, RBR40 before 2.6.2.104, RBR50 before 2.7.2.102, EX6420 before 1.0.0.134, RBS10 before 2.6.1.44, RBS20 before 2.6.2.104, RBS40 before 2.6.2.104, RBS50 before 2.7.2.102, EX6400v2 before 1.0.0.134, RBK12 before 2.6.1.44, RBK20 before 2.6.2.104, RBK40 before 2.6.2.104, and RBK50 before 2.7.2.102.

Why it matters now

EPSS 0.0202 81st 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 72

CPEVersionsRoleVendor
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*before 1.0.1.64VulnerableNETGEAR
cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6200v2_firmware:*:*:*:*:*:*:*:*before 1.0.1.86VulnerableNETGEAR
cpe:2.3:h:netgear:ex6200v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
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: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:d7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6200v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.86 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6200v2:-:*:*:*:*:*:*:* Versions 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: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
Show 62 more CPE
CPEVersionsRoleVendor
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 1.0.5.26VulnerableNETGEAR
cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*before 1.0.5.26VulnerableNETGEAR
cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:*before 1.2.0.16VulnerableNETGEAR
cpe:2.3:h:netgear:rax120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:*before 1.0.0.56VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:*before 1.0.0.76VulnerableNETGEAR
cpe:2.3:h:netgear:wnr2000v5:-:*:*:*:*:*:*:*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 1.0.1.36VulnerableNETGEAR
cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:*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:ex7300_firmware:*:*:*:*:*:*:*:*before 1.0.2.158VulnerableNETGEAR
cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:*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:ex6100v2_firmware:*:*:*:*:*:*:*:*before 1.0.1.98VulnerableNETGEAR
cpe:2.3:h:netgear:ex6100v2:-:*:*:*:*:*:*:*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:ex7300v2_firmware:*:*:*:*:*:*:*:*before 1.0.0.134VulnerableNETGEAR
cpe:2.3:h:netgear:ex7300v2:-:*:*:*:*:*:*:*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:rbr10_firmware:*:*:*:*:*:*:*:*before 2.6.1.44VulnerableNETGEAR
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 2.7.2.102VulnerableNETGEAR
cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*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:rbs10_firmware:*:*:*:*:*:*:*:*before 2.6.1.44VulnerableNETGEAR
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 2.7.2.102VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*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:rbk12_firmware:*:*:*:*:*:*:*:*before 2.6.1.44VulnerableNETGEAR
cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:*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:rbk40_firmware:*:*:*:*:*:*:*:*before 2.6.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*before 2.7.2.102VulnerableNETGEAR
cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • 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 1.0.5.26 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 1.0.5.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.16 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.56 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.76 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wnr2000v5:-:*:*:*:*:*:*:* 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 1.0.1.36 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:* 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
  • 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: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: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: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: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: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:rbr10_firmware:*:*:*:*:*:*:*:* Versions before 2.6.1.44 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 2.7.2.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* 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:rbs10_firmware:*:*:*:*:*:*:*:* Versions before 2.6.1.44 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 2.7.2.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* 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:rbk12_firmware:*:*:*:*:*:*:*:* Versions before 2.6.1.44 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:* 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: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:rbk50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.2.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* 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-2021-45618
  2. 2026-10-03 Alias added: GHSA-8fp7-34g5-gw45

References

  • TI-2016-08250 The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-20695 Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected… CVSS 3.1CRITICAL 9.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
  • TI-2021-16129 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-09955 Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. CVSS 3.1CRITICAL 9.9
  • TI-2020-16336 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
See all 171 →

Sources