Vulnerability · Published Mar 16, 2026 · Assigned by VulDB
CVE-2026-4228LB-LINK BL-WR9000 set_wifi sub_458754 command injection
Medium 6.3
In plain English
A medium-severity command injection in BL-WR9000 from LB-LINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 12.9% (higher than 96% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)12.9%top 3.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-351151 | LB-LINK BL-WR9000 set_wifi sub_458754 command injection vdb-entry, technical-description
- VDB-351151 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #771210 | LB-LINK BL-WR9000 V2.4.9 Command Injection third-party-advisory
- https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.md exploit