CVE-2025-8170

high

Description

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.

References

https://vuldb.com/?submit.620834

https://vuldb.com/?id.317584

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md#poc

https://www.totolink.net/

https://vuldb.com/?ctiid.317584

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md

Details

Source: Mitre, NVD

Published: 2025-07-25

Updated: 2025-08-07

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00145