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CVE-2021-45501

9.4 · CRITICAL

Certain NETGEAR devices are affected by authentication bypass.

Published Dec 26, 2021EPSS 1.87%

Overview

CVE-2021-45501 is a critical-severity vulnerability. It was published on December 26, 2021 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Certain NETGEAR devices are affected by authentication bypass. This affects AC2400 before 1.1.0.84, AC2600 before 1.1.0.84, D7000 before 1.0.1.82, R6020 before 1.0.0.52, R6080 before 1.0.0.52, R6120 before 1.0.0.80, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.1.0.84, R6800 before 1.1.0.84, R6850 before 1.1.0.84, R6900v2 before 1.1.0.84, R7200 before 1.1.0.84, R7350 before 1.1.0.84, R7400 before 1.1.0.84, and R7450 before 1.1.0.84.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refkb.netgear.com/000064532/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2021-0154Refkb.netgear.com/000064532/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2021-0154

How CyberStrike helps

Frequently asked questions

What is CVE-2021-45501?

CVE-2021-45501 is a critical-severity vulnerability. It was published on December 26, 2021 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

How severe is CVE-2021-45501?

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-45501?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-45501?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-45501 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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