CVE-2026-42469

Description

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.

PUBLISHED Reserved 2026-04-27 | Published 2026-05-01 | Updated 2026-05-07 | Assigner mitre

References

gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381

github.com/...s/Open-Vehicle-Monitoring-System-3/issues/1391

cve.org (CVE-2026-42469)

nvd.nist.gov (CVE-2026-42469)

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