CVE-2026-4227

HIGH 8.8

LB-LINK BL-WR9000 get_hidessid_cfg sub_44D844 buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	lb-link
Product	bl-wr9000
Published	Mar 16, 2026
Last Updated	Mar 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

LB-LINK / BL-WR9000

2.4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.351150 vuldb.com: https://vuldb.com/?ctiid.351150 vuldb.com: https://vuldb.com/?submit.771209 github.com: https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20stack%20overflow_EN.md

Credits

🔍 jfkk (VulDB User) VulDB