The web server in the TP-LINK N750 Wireless Dual Band Gigabit Router (TL-WDR4300) with firmware before 140916 allows remote attackers to cause a denial of service (crash) via a long header in a GET request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/96140
http://www.securityfocus.com/archive/1/533501/100/0/threaded
http://www.securityfocus.com/archive/1/533499/100/0/threaded
http://packetstormsecurity.com/files/128343/TP-LINK-WDR4300-XSS-Denial-Of-Service.html