Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the cs_broker component.

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Solution

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History

Thu, 03 Sep 2026 21:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated Mesh Heartbeat Abuse via MQTT in TOTOLINK T6

Thu, 03 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


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

Type Values Removed Values Added
Title Unauthenticated Mesh Heartbeat Abuse via MQTT in TOTOLINK T6
Weaknesses CWE-284

Tue, 01 Sep 2026 15:30:00 +0000

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

Tue, 01 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the cs_broker component.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-03T17:25:05.795Z

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

Link: CVE-2026-51747

cve-icon Vulnrichment

Updated: 2026-09-03T15:00:27.570Z

cve-icon NVD

Status : Deferred

Published: 2026-09-01T13:19:45.610

Modified: 2026-09-03T18:17:21.897

Link: CVE-2026-51747

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T21:00:12Z

Weaknesses