Totolink LR1200GB cstecgi.cgi setUploadSetting os command injection

A vulnerability classified as critical was found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected by this vulnerability is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249859. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.