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ICS Advisories

Advisories specifically aimed at industrial control systems — from CISA ICS-CERT and directly from vendors (including Siemens, ABB, Schneider Electric, WAGO and Phoenix Contact) — including revision history (initial publication, Update A, Update B) and linked CVEs.

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Advisory data: live connection— last retrieved: 7 November 2026 at 01:04.

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FSA-202405

Festo: Siemens S7-1500/ET200SP CPU used in Festo Didactic products contains a memory protection bypass vulnerability

Festo — Didactic CP including S7 PLC

Festo PSIRTcritical

Published

9 September 2024

Last update

5 November 2025

Linked CVEs

Affected sectors

Risk evaluation

Siemens SIMATIC S7-1200 and S7-1500 CPUs contained in various Festo Didactic products contain a memory protection bypass vulnerability that could allow an attacker to write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks

Mitigation summary

Update Siemens Simatic S7-1500 / ET200SP Firmware to V2.9.2 or higher

Revision history (4)
  1. Initial publication — 9 September 2024

    Initial version

  2. Update A — 6 November 2024

    Fix: correct certvde domain, fixed language setting, added self-reference

  3. Update B — 27 February 2025

    Update: new Dokument ID

  4. Update C — 5 November 2025

    Removed environmental score from CVSS rating.

Official source: Festo PSIRT