CVE-2026-37534CRITICAL 9.8EPSS p33.1%

CVE-2026-37534CVE-2026-37534

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.42% probability of exploitation · percentile 33.1% · 2026-06-19T12:03:05Z
Published2026-05-01
Last modified2026-05-07

Underlying weaknesses· 1

CWE-191

References

  1. https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
  2. https://github.com/DanielMartensson/Open-SAE-J1939

1

TypeTargetConfidenceTier
WeaknessInteger Underflow (Wrap or Wraparound)cwe-1910%live

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