CVE-2026-5043

HIGH

Belkin F9K1122 Parameter formSetPassword stack-based overflow

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 8.8
EPSS 0.0003
EPSS Percentile 8.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121 CWE-787
Status published
Products (2)
Belkin/F9K1122 1.00.33
belkin/f9k1122_firmware 1.00.33
Published Mar 29, 2026
Tracked Since Mar 29, 2026