Description
Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.
Published: 2026-05-01
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Danielmartensson
Danielmartensson open-sae-j1939
Vendors & Products Danielmartensson
Danielmartensson open-sae-j1939

Sat, 02 May 2026 08:15:00 +0000

Type Values Removed Values Added
Title Integer underflow in Open‑SAE‑J1939 allows arbitrary memory write via crafted CAN frames

Fri, 01 May 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-191
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 01 May 2026 17:00:00 +0000

Type Values Removed Values Added
Description Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.
References

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Danielmartensson Open-sae-j1939
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-01T19:06:00.671Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-37534

cve-icon Vulnrichment

Updated: 2026-05-01T19:00:20.378Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-01T17:16:23.073

Modified: 2026-05-07T15:15:06.770

Link: CVE-2026-37534

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T19:44:44Z

Weaknesses