CVE-2026-4228

MEDIUM

LB-LINK BL-WR9000 set_wifi sub_458754 command injection

Title source: cna

Description

A vulnerability was detected in LB-LINK BL-WR9000 2.4.9. This affects the function sub_458754 of the file /goform/set_wifi. The manipulation results in command injection. It is possible to launch the attack remotely. 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/?id.351151

[Signature, Permissions Required] https://vuldb.com/?ctiid.351151

[Third Party Advisory] https://vuldb.com/?submit.771210

[Exploit] https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.md

View Exploit ZIP pw:eip

Scores

CVSS v3 6.3

EPSS 0.0048

EPSS Percentile 64.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Details

CWE

CWE-77 CWE-74

Status published

Products (2)

LB-LINK/BL-WR9000 2.4.9

lb-link/bl-wr9000_firmware 2.4.9

Published Mar 16, 2026

Tracked Since Mar 16, 2026