PT-2026-84243 · Totolink · Totolink T6
CVE-2026-51763
·
Published
2026-09-01
·
Updated
2026-09-01
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
TOTOLINK T6 version 4.1.5cu.748 B20211015
Description
Incorrect access control in the
freeStaClient() function allows unauthenticated attackers to forcibly disconnect wireless clients. This is achieved by sending a crafted MQTT message to the cs broker component. MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol used for communication between devices.Recommendations
As a temporary workaround, restrict access to the
cs broker component to minimize the risk of exploitation.Exploit
Fix
Improper Access Control
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Weakness Enumeration
Related Identifiers
Affected Products
Totolink T6