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ICSA-16-040-02  ·  Published 2025-06-05  ·  View on CISA ICS-CERT ↗

Siemens SIMATIC S7-1500 CPU Vulnerabilities

CVSS 7.5 HIGH

Remediations

  • Siemens has released SIMATIC S7-1500 firmware Version 1.8.3, which addresses the identified vulnerabilities and recommends that users update to the new firmware version, which is available at the following URL (https://support.industry.siemens.com/cs/de/en/view/109478459)
  • As a general security measure, Siemens strongly recommends that users protect network access to SIMATIC S7-1500 CPUs. Siemens advises users to configure the host environment according to operational guidelines, provided in the following URL (https://www.siemens.com/cert/operational-guidelines-industrial-security)
  • Siemens security advisory, SSA-253230, is available at the following URL (https://www.siemens.com/cert/advisories)

Affected Vendors

Siemens

Affected Products (1)

Siemens · SIMATIC S7-1500 CPU family <1.8.3

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