CVE-2026-4566
Belkin F9K1122 formWISP5G stack-based overflow
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
13th
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.
| CWE | CWE-121 CWE-119 |
| Vendor | belkin |
| Product | f9k1122 |
| Published | Mar 23, 2026 |
| Last Updated | Mar 23, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Belkin / F9K1122
1.00.33
References
vuldb.com: https://vuldb.com/?id.352403 vuldb.com: https://vuldb.com/?ctiid.352403 vuldb.com: https://vuldb.com/?submit.775132 github.com: https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.md github.com: https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.md#proof-of-concept-poc
Credits
🔍 LtzHust (VulDB User) VulDB