CVE-2026-3704 | Wavlink NU516U1 251208 Incomplete Fix CVE-2025-10959 /cgi-bin/firewall.cgi sub_405B2C command injection
A vulnerability classified as critical has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection.
This vulnerability is traded as CVE-2026-3704. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
It is recommended to upgrade the affected component.
The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.