Buffer Overflow Vulnerability in TOTOLINK T6 MQTT Service
CVE-2025-7912

8.8HIGH

Key Information:

Vendor

TOTOLINK
Status
TOTOLINK T6
Vendor
CVE Published:
20 July 2025

What is CVE-2025-7912?

A significant vulnerability has been identified in the MQTT service of the TOTOLINK T6 product. The flaw resides in the recvSlaveUpgstatus function, where improper handling of input arguments can trigger a buffer overflow. This can potentially allow remote attackers to execute arbitrary code on the device. The vulnerability has been publicly disclosed, highlighting the urgent need for users to assess and mitigate the risk associated with this security issue.

References

https://github.com/AnduinBrian/Public/blob/main/Totolink%...
https://github.com/AnduinBrian/Public/blob/main/Totolink%...
https://vuldb.com/?ctiid.317027

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

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CVE-2025-7912 : Buffer Overflow Vulnerability in TOTOLINK T6 MQTT Service