Description
Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship.
Advisories 1
- ICSA-13-213-01 Siemens Scalance W-7xx Product Family Multiple Vulnerabilities CISA ICS & IT advisories · Jun 6, 2025