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CVE-2026-4566

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/23/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-121

References

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.md(cna@vuldb.com)

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_151/README.md#proof-of-concept-poc(cna@vuldb.com)

https://vuldb.com/?ctiid.352403(cna@vuldb.com)

https://vuldb.com/?id.352403(cna@vuldb.com)

https://vuldb.com/?submit.775132(cna@vuldb.com)

IOC Correlations

No correlations recorded

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