CVE-2026-42469

HIGH EPSS 27.5%
Published May 1, 20262mo ago · Modified Jun 17, 20262w ago
8.6 CVSS 3.1
High
Find Similar
Published May 1, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.6
Exploitability
3.9
Impact
4.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability High

Threat Intelligence

EPSS Exploit Probability
27.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-121

Affected Products 2

VendorProductVersionRange
openvehiclesopen_vehicle_monitoring_system_firmware3.3.005any
openvehiclesopen_vehicle_monitoring_system*any

References 2

  • gist.github.com https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
    Third Party Advisory
  • github.com https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391
    Issue Tracking

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.