Description
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.
Advisories 1
- ICSA-16-161-01 Siemens SIMATIC S7-300 Denial-of-Service Vulnerability CISA ICS & IT advisories · Jun 9, 2025