High severity7.5NVD Advisory· Published May 26, 2026· Updated May 26, 2026
CVE-2025-11482
CVE-2025-11482
Description
An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.
Patches
Vulnerability mechanics
References
1News mentions
1- B&R PPT30 Operating SystemCISA ICS Advisories