When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt
and review subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to upgrade contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
This advisory has the following companion advisory: cisco-sa-20160113-aironet
. To address the vulnerability that is described in this and the companion advisory, customers should upgrade to Cisco Aironet 1800 Series Access Point software release 220.127.116.11 or later on affected devices.