CVE-2026-5043 HIGH

CVE-2026-5043: Belkin F9K1122 Parameter formSetPassword stack-based overflow

Vendor Belkin
Product F9K1122
Weakness CWE-121
Published March 29, 2026
Last update March 30, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A weakness has been identified in Belkin F9K1122 1.00.33. The impacted element is the function formSetPassword of the file /goform/formSetPassword of the component Parameter Handler. This manipulation of the argument webpage causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

March 29, 2026 CVE published
March 30, 2026 Record updated