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CVE-2026-4226

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/16/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

lb-link:bl-wr9000lb-link:bl-wr9000_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_VirtualRules%20stack%20overflow_EN.md(cna@vuldb.com)

https://vuldb.com/?ctiid.351149(cna@vuldb.com)

https://vuldb.com/?id.351149(cna@vuldb.com)

https://vuldb.com/?submit.771207(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.