CVE-2026-123961 | TOTOLINK CA300-PoE 6.2c.884 /cgi-bin/cstecgi.cgi setWiFiBasicConfig KeyStr buffer overflow

November 6, 2026 Yanac

A vulnerability marked as very critical has been reported in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow.

This vulnerability is listed as CVE-2026-123961. The attack may be initiated remotely. In addition, an exploit is available.VulDB Recent EntriesRead More