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Festo AX OS versions 25.0.1.46 and 25.9.2.4, which are based on PLCnext by Phoenix Contact, used by the Festo product CEPE are affected by multiple OpenSSL vulnerabilities. The vulnerabilities are identified as CVE-2025-15467 and CVE-2025-69419. Attacks may be possible when maliciously crafted firmware, key files, PKCS#12 files, CMS/PKCS#7 content, or digitally signed objects are uploaded and processed by the affected system. In the device context, exploitation typically requires a logged-in user with high privileges or the processing of attacker-supplied cryptographic objects.

A successful attack using manipulated firmware, key files, PKCS#12 files, CMS/PKCS#7 content, or digitally signed objects may lead to memory corruption, application crash, or denial of service. Depending on the affected code path, execution context, platform protections, and toolchain mitigations, execution of malicious code may be possible. This can jeopardize confidentiality, integrity, and availability of the affected system.

This Application note intends to show how to configure the SRBG sensorbox using our CESA-...-PB gateway for PROFIBUS.

This document as well explains how the Process Data Image works for these devices and how you can access this image using Siemens TIA Portal in your integration.

How to commission the SRBG using CESA-GW-AS-CO

A checklist to avoid EMC trouble

Festo SE & Co KG complies with national and international laws, guidelines, standards and regulations which are applicable to our products. We constantly monitor the dynamics of legislation. This Application Note give an overview.