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VULNERABILITIES

CVE-2026-42469 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381 [email protected]Third Party Advisory
https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391 [email protected]Issue Tracking

Weakness Enumeration

CWE-IDCWE NameSource
CWE-121Stack-based Buffer OverflowCISA-ADP

Affected Products

ProductVersions
openvehicles open vehicle monitoring system firmware
3.3.005

CPE

  • cpe:2.3:o:openvehicles:open_vehicle_monitoring_system_firmware:3.3.005:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
openvehicles open vehicle monitoring system
All versions

CPE

  • cpe:2.3:h:openvehicles:open_vehicle_monitoring_system:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-42469
NVD Published Date:
May 1, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-42469 Details - Not Deferred