PT-2026-36515 · Unknown · Open Vehicle Monitoring System 3

Feng Ning · Published 2026-05-01 · Updated 2026-05-01 · CVE-2026-37541

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Open Vehicle Monitoring System 3 (OVMS3) version 3.3.005

Description A buffer overflow exists in the canformat gvret.cpp file. The length field in GVRET binary data is not properly validated, which allows remote attackers to cause a denial of service or potentially execute arbitrary code by sending crafted GVRET frames.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-37541

Affected Products

Open Vehicle Monitoring System 3

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-37541 · Security Note
• https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3 · Note
• https://twitter.com/CVEnew/status/2050269608695787606 · Twitter Post
• https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381 · Note