CVE-2026-85031: Totolink CP450

Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible.

Affected products

• Totolink CP450: version 4.1.0 only

Published 2026-09-03. Last modified 2026-09-03.