CVE-2026-37534

9.8 CRITICAL 0.4% exploit odds No fix listed Other

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-05-01 17:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:41 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-01 17:16 UTC
Last modified: 2026-06-17 10:41 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-191
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Download Square Reddit

References

NVD record · CVE.org record