Format string vulnerability in Easy File Sharing (EFS) Web Server 3.2 allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via format string specifiers in the query string argument in an HTTP GET request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25135
http://www.vupen.com/english/advisories/2006/0912
http://www.securityfocus.com/bid/17046
http://www.securityfocus.com/archive/1/427158/100/0/threaded