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TI-2021-20598 Aliases CVE-2021-45511GHSA-wr8v-6jgr-244v

Certain NETGEAR devices are affected by authentication bypass.

Priority MEDIUM 60Published · Updated

Key facts

Attack vector
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 · NVD. Fix status from CNA.

Summary

Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before 2021-08-27, R6230 before 2021-08-27, R6260 before 2021-08-27, R6330 before 2021-08-27, R6350 before 2021-08-27, R6700v2 before 2021-08-27, R6800 before 2021-08-27, R6850 before 2021-08-27, R6900v2 before 2021-08-27, R7200 before 2021-08-27, R7350 before 2021-08-27, R7400 before 2021-08-27, and R7450 before 2021-08-27.

Why it matters now

EPSS 0.18885 97th 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 · 34

CPEVersionsRoleVendor
cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*before 1.0.1.80VulnerableNETGEAR
cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:*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:ac2100_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 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 1.2.0.88 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 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.80 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:* 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
Show 24 more CPE
CPEVersionsRoleVendor
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 1.1.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:*before 1.1.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:*before 1.1.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:*before 1.1.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:*before 1.2.0.88VulnerableNETGEAR
cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • 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 1.1.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.88 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:* 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-2021-45511
  2. 2026-10-03 Alias added: GHSA-wr8v-6jgr-244v

References

Patch 1

  • 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
  • TI-2021-13855 Improper authentication in NETGEAR Multiple Routers CVSS 3.1HIGH 8.8
See all 25 →

Sources

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