CVE-2026-42468
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductOpenvehicles Open Vehicle Monitoring System Firmware
PublishedMay 1, 2026
First seenMay 1, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openvehicles open_vehicle_monitoring_system_firmware | 3.3.005 | — |
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