Vulnerability Details CVE-2026-42469
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 48.1%
CVSS Severity
CVSS v3 Score 8.6
References
Products affected by CVE-2026-42469
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cpe:2.3:h:openvehicles:open_vehicle_monitoring_system:-
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cpe:2.3:o:openvehicles:open_vehicle_monitoring_system_firmware:3.3.005