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CVE-2026-37541

Openvehicles Open Vehicle Monitoring System Firmware remote code execution

10.0 CRITICALEPSS 1.11%
  1. Published1 May 2026

Description

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length field in GVRET binary data is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted GVRET frames.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Openvehicles Open Vehicle Monitoring System Firmware3.3.005

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-37541 being actively exploited?

CVE-2026-37541 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.11%.

How severe is CVE-2026-37541?

CVE-2026-37541 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 1.11% probability of exploitation.

Which products are affected by CVE-2026-37541?

Affected products include Openvehicles Open Vehicle Monitoring System Firmware.

How do I fix CVE-2026-37541?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-37541 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.