Description
A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. 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.273258
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.273258
VDB Entry third-party-advisory
https://vuldb.com/?submit.379313
Exploit, Technical Description, Third Party Advisory exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/getSaveConfig.md
Scores
CVSS v3
8.8
EPSS
0.0027
EPSS Percentile
49.9%
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