A vulnerability was found in Totolink CA750-PoE 6.2c.510 and classified as critical . The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler . Such manipulation of the argument FileName leads to os command injection. This vulnerability is listed as CVE-2026-9532 . The attack may be performed from remote. In addition, an exploit is available.