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CVE-2026-5042

HIGH

8.8

Description

A security flaw has been discovered in Belkin F9K1122 1.00.33. The affected element is the function formCrossBandSwitch of the file /goform/formCrossBandSwitch of the component Parameter Handler. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. 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

Published3/29/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

belkin:f9k1122belkin:f9k1122_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_153/README.md(cna@vuldb.com)

https://vuldb.com/submit/779123(cna@vuldb.com)

https://vuldb.com/vuln/353965(cna@vuldb.com)

https://vuldb.com/vuln/353965/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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