Dashboard / CVE-2026-42469

CVE-2026-42469

HIGH
MEDIUM Priority: 0.03 BB Relevance: 77/100
Published: 2026-05-01 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: Low
I: Low
A: High

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
openvehicles open_vehicle_monitoring_system_firmware 3.3.005

References & Advisories (2)

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.6 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

EPSS — Exploitation Probability

0.36%
Raw Score 0.003560
Percentile 29.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00356
2026-11-12
0.00356
2026-11-10
0.00356
2026-11-09
0.00356
2026-11-08
0.00356

Intelligence Sources

nvd ref →

External Links