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.

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Fixes

Solution

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Workaround

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History

Thu, 03 Sep 2026 15:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated Modification of QoS Policy via MQTT in TOTOLINK T6

Wed, 02 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink t6
Vendors & Products Totolink
Totolink t6

Wed, 02 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Modification of QoS Policy via MQTT in TOTOLINK T6
Weaknesses CWE-284

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-02T16:17:55.378Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-51768

cve-icon Vulnrichment

Updated: 2026-09-02T16:17:16.394Z

cve-icon NVD

Status : Deferred

Published: 2026-09-01T16:17:04.943

Modified: 2026-09-02T17:17:44.853

Link: CVE-2026-51768

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T15:00:06Z

Weaknesses