Cisco Security Advisory – Sending a malformed URL to the Cisco Aironet AP1x00 can cause the device to reload resulting in a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31462/ciscoHTTP.txt
Source: https://packetstormsecurity.com/files/31462/ciscoHTTP.txt.html