A vulnerability was detected in LB-LINK BL-WR9000 2.4.9.... · CVE-2026-4228 · GitHub Advisory Database · GitHub

A vulnerability was detected in LB-LINK BL-WR9000 2.4.9....

Moderate severity Unreviewed Published Mar 16, 2026 to the GitHub Advisory Database • Updated Mar 20, 2026

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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

Published by the National Vulnerability Database

Mar 16, 2026

Published to the GitHub Advisory Database Mar 16, 2026

Last updated Mar 20, 2026

Weaknesses

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Learn more on MITRE.

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Learn more on MITRE.