CVE-2026-51752

Unauthenticated MQTT Access Enables Static Info Exfiltration in TOTOLINK T6

Published Sep 1, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Incorrect access control in the staticInfoSend function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger static information reporting to the configured master via sending a crafted MQTT message to the cs_broker component.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated MQTT Access Enables Static Info Exfiltration in TOTOLINK T6
Type Values Removed Values Added
Title Unauthenticated Access to Static Information Reporting via MQTT in TOTOLINK T6
Weaknesses CWE-285
Type Values Removed Values Added
Title Unauthenticated Access to Static Information Reporting via MQTT in TOTOLINK T6
First Time appeared Totolink
Totolink t6
Weaknesses CWE-284
CWE-285
Vendors & Products Totolink
Totolink t6
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Incorrect access control in the staticInfoSend function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger static information reporting to the configured master via sending a crafted MQTT message to the cs_broker component.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 1, 2026, 3:45 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Deferred
Published
Sep 1, 2026, 2:17 PM
Modified
Sep 1, 2026, 9:00 PM