CVE-2025-7837

high

Description

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

References

https://vuldb.com/?submit.617572

https://vuldb.com/?id.316940

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc

https://www.totolink.net/

https://vuldb.com/?ctiid.316940

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md

Details

Source: Mitre, NVD

Published: 2025-07-19

Updated: 2025-07-23

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