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High 8.8Published Mar 16, 2026

CVE-2026-4226LB-LINK BL-WR9000 get_virtual_cfg sub_44E8D0 stack-based overflow

Updated under an hour ago ()

Does this affect you?

It affects LB-LINK BL-WR9000 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
8.8 HIGH (v3.1, CNA)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
Weakness (CWE)
CWE-121, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Analyzed
Record last updated
Mar 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
LB-LINK BL-WR9000
lb_link:bl_wr9000 (from the name)
2.4.9
CNA record
lb-link bl-wr9000_firmware
lb-link:bl-wr9000_firmware
2.4.9
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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