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CVE-2026-4163

9.8 · CRITICAL

A vulnerability was detected in Wavlink WL-WN579A3 220323.

Published Mar 16, 2026CWE-74EPSS 3.71%

Overview

CVE-2026-4163 is a critical-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading the affected component is recommended.

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

Refdl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.binGitHubgithub.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_10/README.mdGitHubgithub.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_9/README.mdRefvuldb.com/?ctiid.351070Refvuldb.com/?id.351070Refvuldb.com/?submit.765327Refvuldb.com/?submit.765328

How CyberStrike helps

Frequently asked questions

What is CVE-2026-4163?

CVE-2026-4163 is a critical-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-4163?

This vulnerability has a CVSS 3.1 base score of 9.8, 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-2026-4163?

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-2026-4163?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-4163 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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