Vulnerability Details CVE-2026-4566
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.6%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
Products affected by CVE-2026-4566
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cpe:2.3:h:belkin:f9k1122:-
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cpe:2.3:o:belkin:f9k1122_firmware:1.00.33