The Smart Install client implementation in Cisco IOS 12.2, 15.0, and 15.2 and IOS XE 3.2 through 3.7 allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in a Smart Install packet, aka Bug ID CSCuv45410.
http://www.securitytracker.com/id/1035385
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-smi