High severity8.8NVD Advisory· Published Mar 23, 2026· Updated Apr 29, 2026
CVE-2026-4566
CVE-2026-4566
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.
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Affected products
2- cpe:2.3:o:belkin:f9k1122_firmware:1.00.33:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.mdnvdExploitThird Party Advisory
- github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
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