CVE-2016-1287 and old pix units

http://www.cisco.com/c/en/us/products/collateral/security/pix-500-series-security-appliances/pix_eos.html

 

As of July 28, 2008, Cisco PIX Security Appliance platforms/bundles are no longer being sold. Customers can still purchase accessories and licenses until January 27, 2009.

It is important to note that Cisco will continue to support Cisco PIX Security Appliance customers through July 27, 2013.