Read the docs
TI-2021-20638 Aliases CVE-2021-45551GHSA-fxgh-826p-6cx6

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

Priority MEDIUM 41CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 authenticated user. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.64, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, and WNR2020 before 1.1.0.62.

Why it matters now

EPSS 0.0151 74th 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 · 36

CPEVersionsRoleVendor
cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:*before 1.1.00.40VulnerableNETGEAR
cpe:2.3:h:netgear:d6200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*before 1.0.1.78VulnerableNETGEAR
cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:*before 1.0.0.42VulnerableNETGEAR
cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:*before 1.0.0.42VulnerableNETGEAR
cpe:2.3:h:netgear:r6080:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:*before 1.0.1.26VulnerableNETGEAR
cpe:2.3:h:netgear:r6050:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:* Versions before 1.1.00.40 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.78 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6080:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 26 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:*before 1.0.1.26VulnerableNETGEAR
cpe:2.3:h:netgear:jr6150:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:*before 1.0.0.66VulnerableNETGEAR
cpe:2.3:h:netgear:r6120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*before 1.1.0.110VulnerableNETGEAR
cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:*before 1.1.0.110VulnerableNETGEAR
cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*before 1.1.0.64VulnerableNETGEAR
cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:*before 1.1.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:wnr2020:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:jr6150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.110 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.110 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wnr2020:-:*:*:*:*:*:*:* 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-2021-45551
  2. 2026-10-03 Alias added: GHSA-fxgh-826p-6cx6

References

  • TI-2021-20598 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2020-16934 Authentication bypass in NETGEAR Multiple Routers CVSS 3.1HIGH 8.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
  • TI-2021-20724 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… 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-2021-20731 Certain NETGEAR devices are affected by incorrect configuration of security settings. CVSS 3.1CRITICAL 9.8
See all 25 →

Sources