CVE-2026-4164

Critical

Description

A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

SeverityCritical

CVSS9.8

Exploit probability—

ProductWavlink Wl-wn578w2 Firmware

PublishedMar 16, 2026

First seenMar 16, 2026

Weakness typeCWE-77Command injection CWE-74Injection

How to fix

Patches

dl.wavlink.com/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin

Affected products

Product	Affected versions	Fixed in
wavlink wl-wn578w2_firmware	221110	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.