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CVE-2026-37541 - Vulnerability Analysis

CriticalCVSS: 10.0

Last Updated: May 1, 2026

Open Vehicle Monitoring System 3 - Buffer Overflow

Published: May 1, 2026Updated: May 1, 2026Remote Exploitable

Overview

Open Vehicle Monitoring System 3 (OVMS3) 3.3.005 contains a buffer overflow caused by improper validation of the length field in GVRET binary data in canformat_gvret.cpp, letting remote attackers cause denial of service or execute arbitrary code via crafted GVRET frames.

Severity & Score

Severity: Critical

CVSS Score: 10.0

Impact

Remote attackers can cause denial of service or execute arbitrary code, potentially compromising the system.

Mitigation

Update to the latest version of Open Vehicle Monitoring System 3.

References

https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3

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Details

CVE ID: CVE-2026-37541
Severity: Critical
CVSS Score: 10.0
Type: buffer_overflow
Status: new

CWE

CWE-121

CVSS Metrics

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