CVE-2025-7862

HIGH

TOTOLINK T6 4.1.5cu.748_B20211015 - Missing Authentication

Title source: llm
STIX 2.1

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 (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.316975
Permissions Required signature permissions-required
https://vuldb.com/?ctiid.316975
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.617643
Product product
https://www.totolink.net/

Scores

CVSS v3 7.3
EPSS 0.0018
EPSS Percentile 38.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-287 CWE-306
Status published
Products (1)
totolink/t6_firmware v4.1.5cu.748_b20211015
Published Jul 20, 2025
Tracked Since Feb 18, 2026