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CVE-2020-35576

8.8 · HIGH

A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metac…

Published Jan 26, 2021CWE-78EPSS 42.29%

Overview

CVE-2020-35576 is a high-severity vulnerability. It was published on January 26, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.

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

Refjvn.jp/en/vu/JVNVU92444096/Refwww.tp-link.com/jp/support/download/tl-wr841n/v13/#FirmwareRefwww.tp-link.com/us/securityRefjvn.jp/en/vu/JVNVU92444096/Refwww.tp-link.com/jp/support/download/tl-wr841n/v13/#FirmwareRefwww.tp-link.com/us/security

How CyberStrike helps

Frequently asked questions

What is CVE-2020-35576?

CVE-2020-35576 is a high-severity vulnerability. It was published on January 26, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2020-35576?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-35576?

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-2020-35576?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-35576 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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