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CVE-2026-37541

Remote Code Execution via GVRET Frame Overflow in OVMS3 3.3.005

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length field in GVRET binary data is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted GVRET frames.

CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Openvehicles
Products
Open Vehicle Monitoring System Open Vehicle Monitoring System 3 Open Vehicle Monitoring System Firmware
CVE-2026-42468

Buffer Overflow in OVMS3 PCAP Parser Allows Remote Denial of Service and Potential Code Execution

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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Openvehicles
Products
Open Vehicle Monitoring System Open Vehicle Monitoring System 3 Open Vehicle Monitoring System Firmware
CVE-2026-42469

Buffer Overflow in OVMS3 CANswitch DLC Parsing Allows Remote Denial or Code Execution

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.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Openvehicles
Products
Open Vehicle Monitoring System Open Vehicle Monitoring System 3 Open Vehicle Monitoring System Firmware