CVE-2026-51768

HighCVSS 7.5/10Last modified Sep 2, 2026

Description

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the cs_broker component.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published: Sep 1, 2026
Last modified: Sep 2, 2026
NVD status: Deferred

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