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ICSA-25-135-01  ·  Published 2026-07-09  ·  View on CISA ICS-CERT ↗

Siemens RUGGEDCOM APE1808 Devices

CVSS 9.8 CRITICAL CISA KEV — Known Exploited

Risk Summary

Fortinet has published information on vulnerabilities in FortiOS. This advisory lists the related Siemens Industrial products. Siemens is preparing fix versions and recommends to consult and implement the workarounds provided in Fortinet's upstream security notifications.

Remediations

  • Update Fortigate NGFW to V7.4.9 or later following the secure update recommendation procedure. Contact customer support to receive detailed information
  • Under the config vpn ipsec phase1-interface configuration, either set authmethod to psk, or set digital-signature-auth to disable (see https://fortiguard.fortinet.com/psirt/FG-IR-24-373)
  • For each interface, remove "fabric" access (see https://fortiguard.fortinet.com/psirt/FG-IR-25-084)
  • Update Fortigate NGFW to V7.6.6 or later following the secure update recommendation procedure. Contact customer support to receive detailed information
  • Disable security fabric access into interface. Only allow legit devices in Wifi Controller > Managed FortiAPs (see https://fortiguard.fortinet.com/psirt/FG-IR-25-358 for more information)
  • Disable security fabric access into interface. Only allow legit devices in Wifi Controller > Managed FortiAPs. Remove inter-controller-peer elements in config wireless-controller inter-controller configuration. (see https://fortiguard.fortinet.com/psirt/FG-IR-25-632 for more information)
  • To prevent being affected by this vulnerability on vulnerable versions, please turn off the FortiCloud login feature (if enabled, disabled by default) temporarily until upgrading to a non-affected version. (see https://fortiguard.fortinet.com/psirt/FG-IR-25-647 for more information)

Affected Vendors

Siemens

Affected Products (2)

Siemens · RUGGEDCOM APE1808 vers:all/*
Siemens · RUGGEDCOM APE1808 vers:all/*

Affected Sectors

Critical Manufacturing

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