Siemens SCALANCE X-300 family switches under firmware version 4.0 can allow remote authenticated users to cause a denial of service (reboot) via crafted FTP packets.
Binary data 149.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8479
www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-321046.pdf