CVE-2026-5608

HIGH

Belkin F9K1122 formWlanSetup stack-based overflow

Title source: cna

Description

A vulnerability was detected in Belkin F9K1122 1.00.33. Affected is the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (4)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/355399

[Signature, Permissions Required] https://vuldb.com/vuln/355399/cti

[Third Party Advisory] https://vuldb.com/submit/785315

[Exploit] https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_80/README.md

View Exploit ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 14.1%

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

Status published

Products (1)

Belkin/F9K1122 1.00.33

Published Apr 06, 2026

Tracked Since Apr 06, 2026