PT-2026-83823 · Totolink · Totolink T6

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CVE-2026-51675

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Published

2026-08-31

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Updated

2026-08-31

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015
Description Incorrect access control in the setWanIeCfg() function allows unauthenticated attackers to reconfigure uplink settings. 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-2026-51675

Affected Products

Totolink T6