CVE-2026-42468: Openvehicles Open Vehicle Monitoring System Firmware

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_pcap.cpp , the parser's phdr.len field is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted PCAP input.

Affected products

• Openvehicles Open Vehicle Monitoring System Firmware: version 3.3.005 only

Published 2026-05-01. Last modified 2026-06-17.