CVE-2026-2615 | Wavlink WL-NU516U1 up to 20251208 /cgi-bin/firewall.cgi singlePortForwardDelete del_flag command injection

A vulnerability, which was classified as critical, was found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection.

The identification of this vulnerability is CVE-2026-2615. The attack may be launched remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.