CVE-2026-37534

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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. Last modified 2026-06-17.