CVE-2020-8329: Lenovo LJ4010DN Firmware

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A denial of service vulnerability was reported in the firmware prior to version 1.01 used in Lenovo Printer LJ4010DN that could be triggered by a remote user sending a crafted packet to the device, causing an error to be displayed and preventing printer from functioning until the printer is rebooted.

Affected products

  • Lenovo LJ4010DN Firmware: before 1.01 (fixed in 1.01)
  • Lenovo LJ6700DN Firmware: before 1.01 (fixed in 1.01)
  • Lenovo m8960dnf Firmware: before 1.01 (fixed in 1.01)

Published 2020-05-28. Last modified 2026-06-17.