Vulnerability Description
A security vulnerability has been detected in LB-LINK BL-WR9000 2.4.9. The impacted element is the function sub_44D844 of the file /goform/get_hidessid_cfg. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lb-Link | Bl-Wr9000 Firmware | 2.4.9 |
| Lb-Link | Bl-Wr9000 | - |
Related Weaknesses (CWE)
References
- https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20ExploitThird Party Advisory
- https://vuldb.com/?ctiid.351150Permissions RequiredVDB Entry
- https://vuldb.com/?id.351150Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.771209Third Party AdvisoryVDB Entry
FAQ
What is CVE-2026-4227?
CVE-2026-4227 is a vulnerability with a CVSS score of 8.8 (HIGH). A security vulnerability has been detected in LB-LINK BL-WR9000 2.4.9. The impacted element is the function sub_44D844 of the file /goform/get_hidessid_cfg. The manipulation leads to buffer overflow. ...
How severe is CVE-2026-4227?
CVE-2026-4227 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4227?
Check the references section above for vendor advisories and patch information. Affected products include: Lb-Link Bl-Wr9000 Firmware, Lb-Link Bl-Wr9000.