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CVE-2026-37534

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductOpen-SAE-J1939
PublishedMay 1, 2026
First seenMay 1, 2026
Weakness typeCWE-191CWE-191

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Open-SAE-J1939v ≤ commit b6caf884df46435e539b1ecbf92b6c29b345bdfe—

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