Description
A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273259. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
References (4)
Core 4
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.273259
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.273259
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.379314
Exploit, Technical Description, Third Party Advisory exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/loginauth.md
Scores
CVSS v3
8.8
EPSS
0.0038
EPSS Percentile
59.3%
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-120
Status
published
Products (1)
totolink/ex200_firmware
4.0.3c.7646_b20201211
Published
Aug 01, 2024
Tracked Since
Feb 18, 2026