CVE-2026-8229: Wavlink Wl-NU516U1 Firmware

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

A vulnerability was detected in Wavlink NU516U1 240425. The affected element is the function WifiBasic of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument AuthMethod/EncrypType results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

Affected products

• Wavlink Wl-NU516U1 Firmware: version m16u1_v240425 only

Published 2026-05-10. Last modified 2026-07-24.