CVE-2026-8188: Wavlink Wl-NU516U1 Firmware

High severity, CVSS 8.8. EPSS: 8.5% chance of exploitation in the next 30 days.

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

Affected products

• Wavlink Wl-NU516U1 Firmware: version m16u1_v240425 only

Published 2026-05-09. Last modified 2026-07-24.