CVE-2026-5043

HIGH

Belkin F9K1122 Parameter formSetPassword stack-based overflow

Title source: cna

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.

References (4)

Core 4

Core References

Signature, Permissions Required signature permissions-required

VDB-353966 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/353966/cti

Third Party Advisory third-party-advisory

Submit #779124 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow

https://vuldb.com/submit/779124

Exploit exploit

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_154/README.md

View Exploit ZIP pw:eip

Vdb Entry, Technical Description vdb-entry technical-description

VDB-353966 | Belkin F9K1122 Parameter formSetPassword stack-based overflow

https://vuldb.com/vuln/353966

Scores

CVSS v3 8.8

EPSS 0.0079

EPSS Percentile 51.4%

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