CVE-2026-85031

TOTOLINK CP450 cstecgi.cgi buffer overflow

Published Sep 3, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink cp450
Vendors & Products Totolink cp450
Type Values Removed Values Added
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.
Title TOTOLINK CP450 cstecgi.cgi buffer overflow
First Time appeared Totolink
Totolink cp450 Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:totolink:cp450_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink cp450 Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': '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'}

cvssV4_0

{'score': 9.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 3, 2026, 12:50 PM
Reserved
Sep 2, 2026, 8:14 PM
Status
Deferred
Published
Sep 3, 2026, 1:06 PM
Modified
Sep 3, 2026, 5:25 PM