CVE-2025-8170

A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748_B20211015. This vulnerability affects the function tcpcheck_net of the file /router/meshSlaveDlfw of the component MQTT Packet Handler. The manipulation of the argument serverIp leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Score

CVSS 3.1 8.8 High

Status

Analyzed - cna@vuldb.com

Published

2025-07-25

Last modified

2025-07-28

Weaknesses

CWE-119, CWE-120

Affected products

• T6 (Totolink)
• T6 Firmware (Totolink)

References

• https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md
• https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md#poc
• https://vuldb.com/?ctiid.317584
• https://vuldb.com/?id.317584
• https://vuldb.com/?submit.620834
• https://www.totolink.net/