CVE-2025-7758 | TOTOLINK T6 up to 4.1.5cu.748_B20211015 HTTP POST Request /cgi-bin/cstecgi.cgi setDiagnosisCfg ip buffer overflow

A vulnerability, which was classified as critical, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to buffer overflow.

This vulnerability is handled as CVE-2025-7758. The attack may be launched remotely. Furthermore, there is an exploit available.