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TI-2021-20633 Aliases CVE-2021-45546GHSA-vrph-7f4q-x5r5

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 R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.

Why it matters now

EPSS 0.01482 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 · 28

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*before 1.0.5.74VulnerableNETGEAR
cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*before 1.4.2.84VulnerableNETGEAR
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*before 1.4.2.84VulnerableNETGEAR
cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*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:r8000p_firmware:*:*:*:*:*:*:*:*before 1.4.2.84VulnerableNETGEAR
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5.74 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:* 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
  • cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*before 1.0.4.120VulnerableNETGEAR
cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*before 1.0.4.120VulnerableNETGEAR
cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*before 1.0.4.120VulnerableNETGEAR
cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.120 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.120 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.120 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* 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-2021-45546
  2. 2026-10-03 Alias added: GHSA-vrph-7f4q-x5r5

References

Patch 1

  • TI-2022-10624 Buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
  • TI-2021-17770 The update process of the Circle Parental Control Service on various NETGEAR routers… CVSS 3.1HIGH 8.1
  • TI-2021-20709 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20699 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
  • TI-2021-20708 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
See all 28 →

Sources

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