<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-155-03.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>B&R is aware of a vulnerability in the product versions listed as affected in the advisory. An attacker who successfully exploits this vulnerability could make the OPC-UA server of the product inaccessible.</strong></p> <p>The following versions of B&R PPT30 Operating System are affected:</p> <ul> <li>PPT30 Operating System <1.8.0, 1.8.0 (CVE-2025-11482)</li> </ul> <div class="csaf-table"> <table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap> <thead> <tr> <th role="columnheader" data-tablesaw-priority="persist">CVSS</th> <th role="columnheader">Vendor</th> <th role="columnheader">Equipment</th> <th role="columnheader">Vulnerabilities</th> </tr> </thead> <tbody> <tr> <td>v3 7.5</td> <td>B&R Industrial Automation GmbH</td> <td>B&R PPT30 Operating System</td> <td>Allocation of Resources Without Limits or Throttling</td> </tr> </tbody> </table> </div> <h3>Background</h3> <ul> <li><strong>Critical Infrastructure Sectors: </strong>Commercial Facilities, Critical Manufacturing, Energy, Transportation Systems, Water and Wastewater</li> <li><strong>Countries/Areas Deployed: </strong>Worldwide</li> <li><strong>Company Headquarters Location: </strong>Switzerland</li> </ul> <hr> <h2>Vulnerabilities</h2> <div class="csaf-accordion"> <p><a class="csaf-accordion-toggle-all" href="#">Expand All +</a></p> <div class="csaf-accordion-item"> <h3><a class="csaf-accordion-toggle" href="#">CVE-2025-11482</a></h3> <div class="csaf-accordion-content"> <p>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 at-tacker to permanently prevent legitimate users from interacting with the service.</p> <p><a href="https://www.cve.org/CVERecord?id=CVE
CRITICAL
advisories
B&R PPT30 Operating System
CyberHawk Threat Intel — IOC Scanner, Live IOC Feed (3.6M+ indicators), Infostealer Intelligence, Threat Map, MISP Feeds, GitHub Arsenal, Courses and more. Free to join.
Register Free →
Source Attribution
This intelligence summary is sourced from CISA Advisories and curated by CyberHawk Threat Intel for the security community. Read the complete article at the source link.
Read original at CISA Advisories →
This intelligence summary is sourced from CISA Advisories and curated by CyberHawk Threat Intel for the security community. Read the complete article at the source link.
Read original at CISA Advisories →
Accelerate Your Security Operations
CyberHawk Threat Intel is a complete Cyber Intelligence Platform — one place for every tool a security professional needs. Built by Rudra Verma, Senior Security Architect at CyberHawk Consultancy.
IOC Scanner — scan any domain, IP, hash, URL
Live IOC Feed — 3.6M+ indicators, filterable
Infostealer Intelligence — live compromised creds
Live Threat Map — real-time global attack vectors
MISP Threat Feeds — CIRCL, Feodo, Botvrij, more
GitHub Arsenal — curated security tools and scripts
Security Blog — CVE advisories and threat research
Video Courses — cybersecurity training and education
SOPs and Playbooks — SecOps procedures
Analyst Library — references and toolkits
Scan Reports — historical threat intelligence
Cyber News — this feed, aggregated in-platform