Format string vulnerability in the snmp_input function in snmptrapd in CMU SNMP utilities (cmu-snmp) allows remote attackers to execute arbitrary code by sending crafted SNMP messages to UDP port 162.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24178
http://www.vupen.com/english/advisories/2006/0234
http://www.securityfocus.com/bid/16267
http://www.securityfocus.com/archive/1/422086/100/0/threaded