VULNERABILITY INTELLIGENCE

CVE-2026-42469

CVSS score8.6 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-05-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-121

Primary references