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TI-2021-20681 Aliases CVE-2021-45594GHSA-5vgq-rm2h-gchf

Certain NETGEAR devices are affected by command injection by an authenticated user.

Priority LOW 38CWE-77Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
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 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBS50Y before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Why it matters now

EPSS 0.00813 57th 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 · 20

CPEVersionsRoleVendor
cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 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 2.7.3.22 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 2.7.3.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 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 2.7.3.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:*before 2.7.3.22VulnerableNETGEAR
cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 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 2.7.3.22 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 2.7.3.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* 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-2021-45594
  2. 2026-10-03 Alias added: GHSA-5vgq-rm2h-gchf

References

Advisory 1

  • TI-2021-20706 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20705 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-16130 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. 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-2021-16127 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20745 Certain NETGEAR devices are affected by server-side injection. CVSS 3.1CRITICAL 9.8
See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences