A vulnerability classified as critical has been found in TOTOLINK T10 AC1200 4.1.8cu.5207. Affected is an unknown function of the file /squashfs-root/web_cste/cgi-bin/product.ini of the component Telnet Service. The manipulation leads to hard-coded credentials. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.