CVE-2025-7758

high

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

References

https://www.totolink.net/

https://vuldb.com/?submit.615734

https://vuldb.com/?id.316748

https://vuldb.com/?ctiid.316748

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.md#poc

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.md

Details

Source: Mitre, NVD

Published: 2025-07-17

Updated: 2025-07-18

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: 7.4

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