IPSSH (aka the SSH server) in Wind River VxWorks 6.5 through 6.9 allows remote authenticated users to cause a denial of service (daemon outage) via a crafted packet.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-0723
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000019