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ICSA-21-103-11  ·  Published 2025-06-10  ·  View on CISA ICS-CERT ↗

Siemens TIM 4R-IE Devices

CVSS 9.8 CRITICAL

Remediations

  • Currently no fix is planned
  • Deactivate NTP-based time syncronization of the device, if enabled. The feature is disabled by default.
  • Configure an additional firewall to prevent communication to the port udp/123 of an affected device.

Affected Vendors

Siemens

Affected Products (4)

Siemens · SIPLUS NET TIM 4R-IE (6AG1800-4BA00-7AA0) vers:all/*
Siemens · SIPLUS NET TIM 4R-IE DNP3 (6AG1803-4BA00-7AA0) vers:all/*
Siemens · TIM 4R-IE (6NH7800-4BA00) vers:all/*
Siemens · TIM 4R-IE DNP3 (6NH7803-4BA00-0AA0) vers:all/*

Affected Sectors

Critical Manufacturing

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