A vulnerability described as critical has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function
setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow.
This vulnerability appears as CVE-2025-12239. The attack may be performed from remote. In addition, an exploit is available.
