IPSSH (aka the SSH server) in Wind River VxWorks 6.5 through 6.9 allows remote attackers to execute arbitrary code or cause a denial of service (daemon hang) via a crafted public-key authentication request.
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000021
http://jvn.jp/en/jp/JVN20671901/index.html