SIMATIC S7-1200 CPU 1214C DC/DC/DC vulnerabilities

3 known vulnerabilities in SIMATIC S7-1200 CPU 1214C DC/DC/DC from Siemens. 3 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  SIDOOR ATD430W: Improper Verification of Source of a Communication Channel

  CVE-2025-40820Dec 9, 2025Siemens

  Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial

• 7.5 High severity

  SIMATIC S7-1200 CPU 1211C AC/DC/Rly: Improper Resource Shutdown or Release

  CVE-2025-24811Feb 11, 2025Siemens

  A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE

• 7.1 High severity

  SIMATIC S7-1200 CPU 1211C AC/DC/Rly: Cross-Site Request Forgery

  CVE-2024-47100Jan 14, 2025Siemens

  A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE