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TI-2021-20641 Aliases CVE-2021-45554GHSA-wv6j-67wp-9cm3

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

Priority LOW 37CWE-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 R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.

Why it matters now

EPSS 0.00631 50th 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 · 14

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.1.74VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*before 1.0.4.118VulnerableNETGEAR
cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*before 1.0.4.118VulnerableNETGEAR
cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*before 1.0.11.126VulnerableNETGEAR
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*before 1.3.3.140VulnerableNETGEAR
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.74 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.118 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.118 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.11.126 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.3.140 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*before 1.3.3.140VulnerableNETGEAR
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*before 1.0.4.74VulnerableNETGEAR
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.3.140 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.74 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:* 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-2021-45554
  2. 2026-10-03 Alias added: GHSA-wv6j-67wp-9cm3
  3. 2026-10-27 EPSS moved to the 50th–90th percentile

References

Patch 1

  • TI-2016-05377 NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before… KEVCVSS 3.1HIGH 8.8
  • TI-2022-10624 Buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
  • TI-2023-18149 Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2018-15124 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20709 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-13978 Stack-based buffer overflow in NETGEAR R6400v2 CVSS 3.1HIGH 8.8
See all 112 →

Sources

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