CVE-2026-5042

HIGH 8.8

Belkin F9K1122 Parameter formCrossBandSwitch stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

13th

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.

CWE	CWE-121 CWE-119
Vendor	belkin
Product	f9k1122
Published	Mar 29, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Belkin / F9K1122

1.00.33

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/353965 vuldb.com: https://vuldb.com/vuln/353965/cti vuldb.com: https://vuldb.com/submit/779123 github.com: https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_153/README.md

Credits

🔍 LtzHuster2 (VulDB User) VulDB