CVE-2022-3429: Lenovo g263dns Firmware

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A denial-of-service vulnerability was found in the firmware used in Lenovo printers, where users send illegal or malformed strings to an open port, triggering a denial of service that causes a display error and prevents the printer from functioning properly.

Affected products

• Lenovo g263dns Firmware: before 02.06.00.04.00 (fixed in 02.06.00.04.00)
• Lenovo GM265DN Firmware: affected versions not specified
• Lenovo GM266DNS Firmware: before 02.06.00.04.00 (fixed in 02.06.00.04.00)

Published 2023-10-27. Last modified 2026-06-17.