CVE-2026-5043CWE-119CWE-121

Belkin F9K1122 Parameter formSetPassword stack-based overflow

High · published March 29, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
64.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.01058 · 64.2th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-29T11:15Z
EPSS history
Timeline
  • 29 MAR 11:15Z
    Belkin F9K1122 Parameter formSetPassword stack-based overflow
    cvelistv5