Advisories · Technology

Siemens SIMATIC ET 200clean, DI 16x24VDC.

Every CVE that names Siemens SIMATIC ET 200clean, DI 16x24VDC among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.

CVE-2025-40820 CVE record

CVSS 8.7 High

Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range.
- Siemens SIDOOR ATD430W
- Siemens SIDOOR ATE530G COATED
- CWE-940
Not analysed yet 9 Dec 2025