Vulnerability Description
A weakness has been identified in LB-LINK BL-WR9000 2.4.9. The affected element is the function sub_44E8D0 of the file /goform/get_virtual_cfg. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. 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_VirtualRuleExploitThird Party Advisory
- https://vuldb.com/?ctiid.351149Permissions RequiredVDB Entry
- https://vuldb.com/?id.351149Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.771207Third Party AdvisoryVDB Entry
FAQ
What is CVE-2026-4226?
CVE-2026-4226 is a vulnerability with a CVSS score of 8.8 (HIGH). A weakness has been identified in LB-LINK BL-WR9000 2.4.9. The affected element is the function sub_44E8D0 of the file /goform/get_virtual_cfg. Executing a manipulation can lead to stack-based buffer ...
How severe is CVE-2026-4226?
CVE-2026-4226 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-2026-4226?
Check the references section above for vendor advisories and patch information. Affected products include: Lb-Link Bl-Wr9000 Firmware, Lb-Link Bl-Wr9000.