CVE-2026-42469

Published: May 1, 2026Modified: Jun 17, 2026

8.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Exploitability: 3.9 / Impact: 4.7

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Openvehicles: Open Vehicle Monitoring System Firmware

1 product

Open Vehicle Monitoring System Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Openvehicles Open Vehicle Monitoring System Firmware	Version 3.3.005

Running on/with	Platform Versions
Openvehicles Open Vehicle Monitoring System	All versions

Related CWEs

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (2)

https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381

Source: cve@mitre.org

Third Party Advisory

https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391

Source: cve@mitre.org

Issue Tracking

Timeline

No history available yet.