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CVE-2026-4228

LB-LINK BL-WR9000 set_wifi sub_458754 command injection

Published: Mar 16, 2026Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-74
6.3MEDIUM
NVD MITRE
EPSS Score
5.2%
Top 8.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-74CWE-77

Affected Products

LB-LINK
commercial
bl-wr9000 firmwareEmbedded
Networking Infrastructure / router-switch
BL-WR9000Embedded
Networking Infrastructure / router-switch
Shenzhen Bilian Electronics Co., Ltd.
commercial·CN
LB-LINK BL-WR9000On-premNetwork Device
Networking Infrastructure / router-switch

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.md
github.com
https://vuldb.com/?ctiid.351151
vuldb.com
https://vuldb.com/?id.351151
vuldb.com
and 1 more references View all →

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