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Vulnerability HP printer Affected HP printer Description Ben Woodard posted following about two bugs in HP printers. The first bug is their succeptability to the nestea2 and other TCP/IP exploits. The second bug only affects HP 5m and some 5si's with older formatter firmware. This bug is due to a communication error between the printer and the network interface. Using a simple multivarible SNMP getnext command, you can crash the network interface causing the printer to drop off the network. Solution HP addressed these two big bugs that allow anyone to crash a network connected printer. First bug is fixed in several releases of firmware for their different cards. A05.08 is for most HP 5 series network printers. This release have been available for some time but they yet to release it to their web site. You must contact their support organization and ask for it specifically. As for seconf bug, HP has provided the a beta firmware release A05.09 that addresses this issue. If you want to get this bugfix please contact HP customer care, indicate that you are getting a 79 SE problem with a 5M and ask for the BETA A.05.09 release which cisco has. Once they are comfortable that this firmware has been tested widly without incident they will release it.