CVE-2026-4228 MEDIUM

CVE-2026-4228: LB-LINK BL-WR9000 set_wifi sub_458754 command injection

Vendor Lb-Link
Product BL-WR9000
Weakness CWE-77
Published March 16, 2026
Last update March 16, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 16, 2026 CVE published
March 16, 2026 Record updated