CVE-2026-4228

low · 2.1

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.

2.1

CVSS

12.2%

EPSS (exploit prob.)

96th

EPSS percentile

2026-03-16

Published

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-74CWE-77

Affected products

Vendor	Product	Affected versions
lb-link	bl-wr9000_firmware	2.4.9
lb-link	bl-wr9000	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.md
https://vuldb.com/?ctiid.351151
https://vuldb.com/?id.351151
https://vuldb.com/?submit.771210

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-4228