Schneider branded Hirschmann products are NOT affected by the vulnerability described in ICSA-15-169-01 (VxWorks Predictable TCP sequence numbers).
Hirschmann "Classic Firewall Software" products (EAGLE20 and EAGLE One) are not affected by the VxWorks TCP initial sequence vulnerability (ICSA-15-169-01) because it was already addressed in the development of the first release.
Hirschmann HiSecOS products (EAGLE20/30) are not affected by the VxWorks TCP initial sequence vulnerability (ICSA-15-169-01) because they are not based on VxWorks.
Hirschmann "Classic Switch Software" products are not affected by the VxWorks TCP initial sequence vulnerability (ICSA-15-169-01) because VxWorks version 6.4 is used where this vulnerability is not present.