CVE-2026-5044: Belkin F9K1122 Setting formSetSystemSettings stack-based overflow

Published Mar 29, 2026
·
Updated

A security vulnerability has been detected in Belkin F9K1122 1.00.33. This affects the function formSetSystemSettings of the file /goform/formSetSystemSettings of the component Setting Handler. Such manipulation of the argument webpage leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

3 affected components
Belkin Belkin F9K1122=1.00.33
All of the following
Belkin F9k1122 Firmware=1.00.33
Belkin F9K1122

Event History

Mar 29, 2026
CVE Published
via MITRE·12:15 PM
Data Sourced
via MITRE·12:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:17 PM
DescriptionSeverityWeaknessAffected Software
May 31, 58216
Event
via FIRST·01:28 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-5044?

The severity of CVE-2026-5044 is classified as high due to its potential for remote code execution via stack-based buffer overflow.

2

How do I fix CVE-2026-5044?

To fix CVE-2026-5044, update the Belkin F9K1122 firmware to the latest version available from the manufacturer.

3

What software is affected by CVE-2026-5044?

CVE-2026-5044 affects the Belkin F9K1122 router model running firmware version 1.00.33.

4

What type of vulnerability is CVE-2026-5044?

CVE-2026-5044 is a stack-based buffer overflow vulnerability in the setting handler component.

5

Can CVE-2026-5044 lead to unauthorized access?

Yes, CVE-2026-5044 can potentially allow attackers to execute arbitrary code, leading to unauthorized access to the device.

Contact

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