CVE-2026-42469

Open Vehicle Monitoring System 3 (OVMS3) version 3.3.005 is susceptible to a buffer overflow vulnerability. The issue is located in the canformat_canswitch.cpp component, where the parser fails to properly validate a CANswitch DLC value . Remote attackers can exploit this by sending crafted CANsw...

CVE-2026-42469: Stack-based Buffer Overflow

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 OVMS3 3.3.005. In canformatcanswitch.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...