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CVE-2020-35840

6.9 · MEDIUM

Certain NETGEAR devices are affected by stored XSS.

Published Dec 30, 2020CWE-79EPSS 0.55%

Overview

CVE-2020-35840 is a medium-severity vulnerability. It was published on December 30, 2020 and has a CVSS 3.1 base score of 6.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.9, 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 stored XSS. This affects D6200 before 1.1.00.38, D7000 before 1.0.1.78, JNR1010v2 before 1.1.0.62, JR6150 before 1.0.1.24, JWNR2010v5 before 1.1.0.62, R6020 before 1.0.0.42, R6050 before 1.0.1.24, R6080 before 1.0.0.42, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6260 before 1.1.0.76, WNR1000v4 before 1.1.0.62, WNR2020 before 1.1.0.62, and WNR2050 before 1.1.0.62.

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/000062711/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2019-0010Refkb.netgear.com/000062711/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2019-0010

How CyberStrike helps

Frequently asked questions

What is CVE-2020-35840?

CVE-2020-35840 is a medium-severity vulnerability. It was published on December 30, 2020 and has a CVSS 3.1 base score of 6.9 (MEDIUM).

How severe is CVE-2020-35840?

This vulnerability has a CVSS 3.1 base score of 6.9, 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-2020-35840?

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-2020-35840?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-35840 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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