CVE-2025-3449: B&r Industrial Automation GmbH Automation Runtime

Medium severity, CVSS 4.2. EPSS: 0.2% chance of exploitation in the next 30 days.

A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.

Affected products

• B&r Industrial Automation GmbH Automation Runtime: from 6.0, before 6.4 (fixed in 6.4); version 4 only

Published 2025-10-07. Last modified 2026-10-08.