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Vulnerability record · CVE-2026-85031 · published 3 September 2026

CVE-2026-85031: Memory buffer overflow vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.79% · top 45.5% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow Deferred
8.6CVSS 4.0 base score, v2 9.0
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
3 Sep 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-85031), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.