Buffer Overflow Vulnerability in TOTOLINK T6 MQTT Service
CVE-2025-7913

8.8HIGH

Key Information:

Vendor

TOTOLINK
Status
TOTOLINK T6
Vendor
CVE Published:
21 July 2025

What is CVE-2025-7913?

A buffer overflow vulnerability has been identified in the function 'updateWifiInfo' of the MQTT Service utilized in the TOTOLINK T6 device. This flaw allows an attacker to manipulate the 'serverIp' argument, leading to potential exploitation. The vulnerability can be triggered remotely, posing a significant threat to users. It has been publicly disclosed, making it imperative for users to take immediate action to secure their devices against possible exploits.

References

https://github.com/AnduinBrian/Public/blob/main/Totolink%...
https://github.com/AnduinBrian/Public/blob/main/Totolink%...
https://vuldb.com/?ctiid.317028

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

.
CVE-2025-7913 : Buffer Overflow Vulnerability in TOTOLINK T6 MQTT Service