Hacking Printers Advisory 6/6: Multiple vendors physical NVRAM damage via PJL commands

Posted by Jens Müller on Jan 30

TL;DR: In the scope of academic research on printer security, various
vulnerabilities in network printers and MFPs have been discovered. This
is advisory 6 of 6 of the `Hacking Printers’ series. Each advisory
discusses multiple issues of the same category. This post is about
putting printers out of their misery and destorying the NVRAM through
ordinary print jobs. The attack can be performed by anyone who can
print, for example through USB…

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