CVE-2026-114382CWE-119CWE-121

CVE-2026-114382

Critical · published October 22, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
51.3
In the wild
Unconfirmed
What it is

A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
10.0 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00667 · 51.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-10-22T02:16Z
References (6)
EPSS history
Timeline
  • 23 OCT 03:55Z
    EPSS moved — → 1%
    epss
  • 21 OCT 21:30Z
    TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
    cvelistv5
  • 21 OCT 21:30Z
    TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
    cvelistv5