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CVE-2022-29402

6.8 · MEDIUM

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console.

Published May 25, 2022CWE-306EPSS 0.43%

Overview

CVE-2022-29402 is a medium-severity vulnerability. It was published on May 25, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.

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

Refk4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlRefk4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-29402?

CVE-2022-29402 is a medium-severity vulnerability. It was published on May 25, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2022-29402?

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-29402?

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-2022-29402?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-29402 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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