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.

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History

Wed, 20 May 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Openvehicles open Vehicle Monitoring System
Openvehicles open Vehicle Monitoring System Firmware
CPEs cpe:2.3:h:openvehicles:open_vehicle_monitoring_system:-:*:*:*:*:*:*:*
cpe:2.3:o:openvehicles:open_vehicle_monitoring_system_firmware:3.3.005:*:*:*:*:*:*:*
Vendors & Products Openvehicles open Vehicle Monitoring System
Openvehicles open Vehicle Monitoring System Firmware

Thu, 07 May 2026 19:00:00 +0000


Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Openvehicles
Openvehicles open Vehicle Monitoring System 3
Vendors & Products Openvehicles
Openvehicles open Vehicle Monitoring System 3

Sat, 02 May 2026 08:15:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in OVMS3 CANswitch DLC Parsing Allows Remote Denial or Code Execution

Fri, 01 May 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 01 May 2026 17:00:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-07T18:42:33.535Z

Reserved: 2026-04-27T00:00:00.000Z

Link: CVE-2026-42469

cve-icon Vulnrichment

Updated: 2026-05-01T17:40:12.624Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-01T17:16:25.260

Modified: 2026-05-20T15:18:24.273

Link: CVE-2026-42469

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T19:44:52Z

Weaknesses