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 (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.316748
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.316748
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.615734
Exploit, Third Party Advisory related
https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.md
Exploit, Third Party Advisory exploit
https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.md#poc
Product product
https://www.totolink.net/
Scores
CVSS v3
8.8
EPSS
0.0060
EPSS Percentile
69.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
totolink/t6_firmware
v4.1.5cu.748_b20211015
Published
Jul 17, 2025
Tracked Since
Feb 18, 2026