CVE-2026-4226CRITICAL 9.8EPSS p48.1%

CVE-2026-4226CVE-2026-4226

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.69% probability of exploitation · percentile 48.1% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-03-20

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_VirtualRules%20stack%20overflow_EN.md
  2. https://vuldb.com/?ctiid.351149
  3. https://vuldb.com/?id.351149
  4. https://vuldb.com/?submit.771207

3

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-4228
CVE
CVE-2026-2926
CVE
CVE-2026-2929
CVE
CVE-2026-2882
CVE
CVE-2026-2927
CVE
CVE-2026-2928
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.