CVE-2026-4566
Belkin F9K1122 formWISP5G stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Mar 23, 2026
- Updated
- Mar 23, 2026
- Reserved
- Mar 22, 2026
Description
A flaw has been found in Belkin F9K1122 1.00.33. The affected element is the function formWISP5G of the file /goform/formWISP5G. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
F9K1122Belkin |
|
References
- VDB-352403 | Belkin F9K1122 formWISP5G stack-based overflowvdb-entrytechnical-description
- VDB-352403 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #775132 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.mdrelated
- https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.md#proof-of-concept-pocexploit
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