CVE-2026-4226

HIGH 8.8

LB-LINK BL-WR9000 get_virtual_cfg sub_44E8D0 stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 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.351149 vuldb.com: https://vuldb.com/?ctiid.351149 vuldb.com: https://vuldb.com/?submit.771207 github.com: https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_VirtualRules%20stack%20overflow_EN.md

Credits

🔍 jfkk (VulDB User) VulDB