CVE-2026-4163

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductWavlink Wl-wn579a3 Firmware

PublishedMar 16, 2026

First seenMar 16, 2026

Weakness typeCWE-77Command injection CWE-74Injection

How to fix

Patches

dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin

Affected products

Product	Affected versions	Fixed in
wavlink wl-wn579a3_firmware	220323	—

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