Description
A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 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.273254
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.273254
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.378351
Exploit, Technical Description, Third Party Advisory exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.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
yes
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
totolink/a3300r_firmware
17.0.0cu.557_b20221024
Published
Aug 01, 2024
Tracked Since
Feb 18, 2026