CVE-2026-4227
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductLb-link Bl-wr9000 Firmware
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lb-link bl-wr9000_firmware | 2.4.9 | — |
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