CVE-2026-42469

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005

High · published May 1, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
48.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00605 · 48.3th percentile
Published
2026-05-01T00:00Z
EPSS history
Timeline
  • 01 MAY 00:00Z
    Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005
    cvelistv5