CVE-2026-114382

CRITICAL 10.0

TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	totolink
Product	ex200
Published	Oct 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TOTOLINK / EX200

5.2.3c.7200

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/424741 vuldb.com: https://vuldb.com/vuln/424741/cti vuldb.com: https://vuldb.com/cve/CVE-2026-114382 vuldb.com: https://vuldb.com/submit/1019881 github.com: https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE1/report.md totolink.net: https://www.totolink.net/

Credits

🔍 zeroxf (VulDB User)