CVE-2026-85031CWE-119CWE-120

CVE-2026-85031

Critical · published September 3, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
55.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.00792 · 55.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-03T17:06Z
References (5)
https://vuldb.com/cve/CVE-2026-85031 · [email protected]https://vuldb.com/submit/853096 · [email protected]https://vuldb.com/vuln/398296 · [email protected]https://vuldb.com/vuln/398296/cti · [email protected]https://www.totolink.net/ · [email protected]
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 1%
    epss
  • 03 SEP 02:00Z
    TOTOLINK CP450 cstecgi.cgi buffer overflow
    cvelistv5