CVE-2026-123959 | TOTOLINK CA300-PoE 6.2c.884 /cgi-bin/cstecgi.cgi setLanguageCfg langType buffer overflow

November 6, 2026 Yanac

A vulnerability identified as very critical has been detected in TOTOLINK CA300-PoE 6.2c.884. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument langType results in buffer overflow.

This vulnerability is identified as CVE-2026-123959. The attack can be initiated remotely. Additionally, an exploit exists.VulDB Recent EntriesRead More