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.
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
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
References 4
https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/READM…
cve@mitre.org
https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.…
cve@mitre.org
https://www.totolink.net/
cve@mitre.org
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.h…
cve@mitre.org