CVE-2025-11482 HIGH

CVE-2025-11482: Allocation of Resources Without Limits or Throttling in the OPC-UA Server

Vendor B&R Industrial Automation Gmbh
Product PPT30 Operating System
Weakness CWE-770 · Uncontrolled resource consumption
Published May 26, 2026
Last update May 26, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 26, 2026 Record updated