CVE-2026-42469

Open Vehicle Monitoring System 3.3.005 - Buffer Overflow

Title source: llm
STIX 2.1

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.

Scores

EPSS 0.0014
EPSS Percentile 34.4%

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Published May 01, 2026
Tracked Since May 01, 2026