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CVE-2021-38516

10.0 · CRITICAL

Certain NETGEAR devices are affected by lack of access control at the function level.

Published Aug 11, 2021EPSS 1.34%

Overview

CVE-2021-38516 is a critical-severity vulnerability. It was published on August 11, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, 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 lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D7800 before 1.0.1.44, D8500 before 1.0.3.43, DC112A before 1.0.0.40, DGN2200v4 before 1.0.0.108, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, R6020 before 1.0.0.34, R6080 before 1.0.0.34, R6120 before 1.0.0.44, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6250 before 1.0.4.34, R6260 before 1.1.0.40, R6850 before 1.1.0.40, R6350 before 1.1.0.40, R6400v2 before 1.0.2.62, R6700v3 before 1.0.2.62, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7000 before 1.0.9.34, R6900P before 1.3.1.44, R7000P before 1.3.1.44, R7100LG before 1.0.0.48, R7200 before 1.2.0.48, R7350 before 1.2.0.48, R7400 before 1.2.0.48, R7450 before 1.2.0.36, AC2100

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/000063780/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2020-0273Refkb.netgear.com/000063780/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2020-0273

How CyberStrike helps

Frequently asked questions

What is CVE-2021-38516?

CVE-2021-38516 is a critical-severity vulnerability. It was published on August 11, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2021-38516?

This vulnerability has a CVSS 3.1 base score of 10.0, 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-2021-38516?

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-2021-38516?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-38516 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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