Critical 9.8Published Mar 16, 2026

CVE-2026-4228A vulnerability was detected in LB-LINK BL-WR9000 2.4.9.

Updated under an hour ago (2026-10-19 08:50 UTC)

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It affects lb-link bl-wr9000_firmware. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for lb-link bl-wr9000_firmware

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-74, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

lb-link bl-wr9000_firmware lb-link:bl-wr9000_firmware	2.4.9	NVD

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.mdexploit, third-party-advisory
https://vuldb.com/?ctiid.351151permissions-required, vdb-entry
https://vuldb.com/?id.351151third-party-advisory, vdb-entry
https://vuldb.com/?submit.771210third-party-advisory, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.