CVE-2026-51745: TOTOLINK T6 vulnerability
Published Sep 1, 2026
·Updated
Incorrect access control in the updatePriStaList function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to refresh the primary station list via sending a crafted MQTT message to the csbroker component.
Affected Software
1 affected component
TOTOLINK T6=4.1.5cu.748_B20211015
Event History
Sep 1, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·01:19 PM
Description
Frequently Asked Questions
1
What access does an attacker need to exploit this issue?
An attacker does not need to authenticate. Exploitation requires sending a crafted MQTT message to the device's cs_broker component.
2
Which device version is identified as affected?
The issue is identified in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015.
3
What action can an attacker perform if exploitation succeeds?
An attacker can refresh the primary station list through the updatePriStaList function.