8e6 R3000 Internet Filter 2.0.05.33, and other versions before 2.0.11, allows remote attackers to bypass intended restrictions via a fragmented HTTP request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39723
http://www.securityfocus.com/archive/1/486770/100/0/threaded
http://www.securityfocus.com/archive/1/486398/100/0/threaded