CVE-2026-85031

CRITICAL 9.9

TOTOLINK CP450 cstecgi.cgi buffer overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	totolink
Product	cp450
Published	Sep 3, 2026
Last Updated	Sep 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TOTOLINK / CP450

4.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/398296 vuldb.com: https://vuldb.com/vuln/398296/cti vuldb.com: https://vuldb.com/cve/CVE-2026-85031 vuldb.com: https://vuldb.com/submit/853096 totolink.net: https://www.totolink.net/

Credits

🔍 summadeus (VulDB User) VulDB Vulnerability Moderation Team