CVE-2026-114383CWE-119CWE-121

CVE-2026-114383

Critical · published October 22, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
50.7
In the wild
Unconfirmed
What it is

A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could 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
0.00653 · 50.7th 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)
https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE2/report.md · [email protected]https://vuldb.com/cve/CVE-2026-114383 · [email protected]https://vuldb.com/submit/1019883 · [email protected]https://vuldb.com/vuln/424742 · [email protected]https://vuldb.com/vuln/424742/cti · [email protected]https://www.totolink.net/ · [email protected]
EPSS history
Timeline
  • 23 OCT 03:55Z
    EPSS moved — → 1%
    epss
  • 21 OCT 21:45Z
    TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow
    cvelistv5
  • 21 OCT 21:45Z
    TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow
    cvelistv5