CVE-2026-4228CRITICAL 9.8EPSS p91.4%

CVE-2026-4228CVE-2026-4228

Description

A vulnerability was detected in LB-LINK BL-WR9000 2.4.9. This affects the function sub_458754 of the file /goform/set_wifi. The manipulation results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used. 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
EPSS5.17% probability of exploitation · percentile 91.4% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-04-29

Underlying weaknesses· 2

CWE-74CWE-77

References

  1. https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.md
  2. https://vuldb.com/?ctiid.351151
  3. https://vuldb.com/?id.351151
  4. https://vuldb.com/?submit.771210

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.