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TI-2021-20589 Aliases CVE-2021-45502GHSA-rw4w-f599-mv6q

Certain NETGEAR devices are affected by authentication bypass.

Priority MEDIUM 42Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Why it matters now

EPSS 0.0058 47th 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:cbr750_firmware:*:*:*:*:*:*:*:*before 4.6.3.6VulnerableNETGEAR
cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*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:rbk852_firmware:*:*:*:*:*:*:*:*before 3.2.17.12VulnerableNETGEAR
cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:* Versions before 4.6.3.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:* 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
  • 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
Show 4 more CPE
CPEVersionsRoleVendor
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: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

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45502
  2. 2026-10-03 Alias added: GHSA-rw4w-f599-mv6q

References

  • 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-2021-20717 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 10.0
  • TI-2021-20708 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20707 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20703 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
See all 31 →

Sources