CVE-2001-0754
Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via a series of large ICMP ECHO REPLY (ping) packets, which cause it to enter ROMMON mode and stop forwarding packets.
Date published : 2002-03-09
http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html