Access Control Flaw in TOTOLINK T6 Product Suite
CVE-2026-51745

5.3MEDIUM

Key Information:

Vendor

TOTOLINK
Status
TOTOLINK T6
Vendor
CVE Published:
1 September 2026

What is CVE-2026-51745?

An improper access control vulnerability exists in the updatePriStaList function of TOTOLINK T6 4.1.5cu.748_B20211015, which could be exploited by unauthenticated attackers. By sending specially crafted MQTT messages to the cs_broker component, these attackers can refresh the primary station list, potentially leading to unauthorized actions and exposure of sensitive information. It is critical for users of this product to implement appropriate mitigations and updates to enhance security.

References

https://www.totolink.net/home/menu/detail/menu_listtpl/do...
https://www.totolink.net/
https://github.com/DarkBoulder/CVE-Vendor-Coordination/bl...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.