Description
A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formL2TPSetup of the file /goform/formL2TPSetup of the component webs. The manipulation of the argument L2TPUserName leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.315001
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.315001
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.603696
Exploit, Third Party Advisory related
https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_7/7.md
Exploit, Third Party Advisory exploit
https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_7/7.md#poc
Scores
CVSS v3
8.8
EPSS
0.0116
EPSS Percentile
78.7%
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-121
Status
published
Products (1)
belkin/f9k1122_firmware
1.00.33
Published
Jul 06, 2025
Tracked Since
Feb 18, 2026