Wavlink WL-WN578W2 login.cgi sub_401BA4 command injection

A vulnerability was identified in Wavlink WL-WN578W2 221110. This impacts the function sub_401340/sub_401BA4 of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.