PT-2026-120837 · Totolink · Ex200

Zeroxf

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CVE-2026-114383

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Published

2026-10-21

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Updated

2026-10-22

CVSS v3.1

10

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions TOTOLINK EX200 version 5.2.3c.7200
Description A stack-based buffer overflow exists in the wireless component wireless.so when processing the macAddress argument. This issue occurs within the setWiFiAclAddConfig() function located at the '/cgi-bin/cstecgi.cgi' endpoint and can be triggered remotely.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

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Weakness Enumeration

CWE-121CWE-119

Related Identifiers

CVE-2026-114383

Affected Products

Ex200