A vulnerability, which was classified as critical, was found in Totolink EX1200L 9.3.5u.6146_B20201023. Affected is the function UploadFirmwareFile of the file cstecgi.cgi. The manipulation leads to Privilege Escalation.

This vulnerability is traded as CVE-2023-51034. Access to the local network is required for this attack to succeed. There is no exploit available.