CVE-2026-51767

CRITICAL CVSS 3.1: 9.8 EPSS 0.64%
Updated Sep 03, 2026
Incorrect
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-284 (Improper Access Control)
Vendor Incorrect
Public PoC No

Incorrect access control in the recvClearPairCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset pairing state and reboot the device via sending a crafted MQTT message to the cs_broker component.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1