HP LaserJet Security flaw allows remote data access

A critical vulnerability discovered in certain LaserJet Pro printers that could give remote attackers access to sensitive data. Homeland Security’s Computer Emergency Response Team recently issued a vulnerability note warning that HP LaserJet Professional printers contain a telnet debug shell which could allow a remote attacker to gain unauthorized access to data.

This flaw was discovered by a Germany security expert, Christoph von Wittich. He detected the vulnerability during a routine network scan of his company's corporate network.
HP LaserJet Security flaw allows remote data access