CVE-2026-114382

critical

Description

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.

References

https://www.totolink.net/

https://vuldb.com/vuln/424741/cti

https://vuldb.com/vuln/424741

https://vuldb.com/submit/1019881

https://vuldb.com/cve/CVE-2026-114382

https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE1/report.md

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-107579

Details

Source: Mitre, NVD

Published: 2026-10-21

Updated: 2026-10-22

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 10

Vector: 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

Severity: Critical

EPSS

EPSS: 0.00667