CVE-2026-3703 Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write

A flaw has been found in Wavlink NU516U1 251208. This affects the function sub401A10 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to out-of-bounds write. The attack may be performed from remote. The exploit has been published and may be used. Upgrading...