Schneider branded Hirschmann products are NOT affected by the vulnerabilities described in CVE-2016-3115.
Only part of the product portfolio is utilizing OpenSSH.
They use the secure default setting of "X11Forwarding=no" as explained in x11fwd.adv.
CVE-2016-3115: https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3115
x11fwd.adv: http://www.openssh.com/txt/x11fwd.adv