CVE-2026-42469HIGH 8.6EPSS p27.3%

CVE-2026-42469CVE-2026-42469

Description

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_canswitch.cpp the parser does not properly validate a CANswitch DLC value, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted CANswitch frames.

Scoring

CVSS 3.18.6 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS0.36% probability of exploitation · percentile 27.3% · 2026-06-19T12:03:05Z
Published2026-05-01
Last modified2026-05-20

Underlying weaknesses· 1

CWE-121

References

  1. https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
  2. https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391

1

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live

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