CVE-2026-85031 — CRITICAL (9.9)

Vulnerability Description

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.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-120 CWE-119

References

FAQ

What is CVE-2026-85031?

CVE-2026-85031 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 ov...

How severe is CVE-2026-85031?

CVE-2026-85031 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-85031?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.