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CVE-2021-38539

6.3 · MEDIUM

Certain NETGEAR devices are affected by privilege escalation.

Published Aug 11, 2021EPSS 0.82%

Overview

CVE-2021-38539 is a medium-severity vulnerability. It was published on August 11, 2021 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Certain NETGEAR devices are affected by privilege escalation. This affects D8500 before 1.0.3.44, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.2.126, R7000 before 1.0.9.42, R7000P before 1.3.2.126, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7900 before 1.0.3.10, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.

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/000063760/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-and-Gateways-PSV-2018-0385Refkb.netgear.com/000063760/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-and-Gateways-PSV-2018-0385

How CyberStrike helps

Frequently asked questions

What is CVE-2021-38539?

CVE-2021-38539 is a medium-severity vulnerability. It was published on August 11, 2021 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2021-38539?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-38539?

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-2021-38539?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-38539 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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