CVE-2026-5042

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119CWE-121CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Mar 29, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-5042: High severity, CVSS 8.8 | Vulnix