CVE-2025-7862

medium

Description

A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument telnet_enabled with the input 1 leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

References

https://vuldb.com/?submit.617643

https://vuldb.com/?id.316975

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.md#poc-http

https://www.youtube.com/watch?v=XeKu3tfeSME

https://www.totolink.net/

https://vuldb.com/?ctiid.316975

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.md

Details

Source: Mitre, NVD

Published: 2025-07-20

Updated: 2025-07-23

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00086