Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOBC) internal communication, which might allow remote attackers to send packets to an interface for which network exposure was unintended.
seclists.org/fulldisclosure/2007/Sep/0573.html
secunia.com/advisories/26988
securitytracker.com/id?1018742
www.cisco.com/warp/public/707/cisco-sr-20070926-lb.shtml
www.securityfocus.com/bid/25822
www.securitytracker.com/id?1018743
www.vupen.com/english/advisories/2007/3276
exchange.xforce.ibmcloud.com/vulnerabilities/36826