PT-2026-83804 · Totolink · Totolink T6

CVE-2026-51666

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Published

2026-08-31

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Updated

2026-09-01

CVSS v3.1

4.3

Medium

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015
Description Incorrect access control in the setWizardCfg() function allows unauthenticated attackers to reconfigure WAN, Wi-Fi, and device initialization state. This is achieved by sending a crafted POST request to the '/cgi-bin/cstecgi.cgi' endpoint.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Access Control

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Weakness Enumeration

Related Identifiers

CVE-2026-51666

Affected Products

Totolink T6