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.
References
| Link | Resource |
|---|---|
| https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20stack%20overflow_EN.md | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.351150 | Permissions Required VDB Entry |
| https://vuldb.com/?id.351150 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.771209 | Third Party Advisory VDB Entry |
Configurations
Configuration 1 (hide)
| AND |
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History
20 Mar 2026, 18:20
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-125 | |
| References | () https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20stack%20overflow_EN.md - Exploit, Third Party Advisory | |
| References | () https://vuldb.com/?ctiid.351150 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.351150 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.771209 - Third Party Advisory, VDB Entry | |
| Summary |
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| First Time |
Lb-link bl-wr9000
Lb-link bl-wr9000 Firmware Lb-link |
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| CPE | cpe:2.3:h:lb-link:bl-wr9000:-:*:*:*:*:*:*:* cpe:2.3:o:lb-link:bl-wr9000_firmware:2.4.9:*:*:*:*:*:*:* |
16 Mar 2026, 14:20
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-03-16 14:20
Updated : 2026-03-20 18:20
NVD link : CVE-2026-4227
Mitre link : CVE-2026-4227
CVE.ORG link : CVE-2026-4227
JSON object : View
Products Affected
lb-link
- bl-wr9000
- bl-wr9000_firmware
