CVE-2023-50738: Lexmark Printer Firmware

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified.

Affected products

• Lexmark Printer Firmware: up to and including 230.041; from 230.075, up to and including 230.086; from 230.100, up to and including 230.104; from 230.200, up to and including 230.209

Published 2025-01-17. Last modified 2026-06-17.