HP JetDirect printers allow remote attackers to obtain the administrative password for the (1) web and (2) telnet services via an SNMP request to the variable (.iso.3.6.1.4.1.11.2.3.9.4.2.1.3.9.1.1.0.
Vulnerability in IP implementation of HP JetDirect printer card Firmware x.08.20 and earlier allows remote attackers to cause a denial of service (printer crash) via a malformed packet.