CVE-2022-43969: Ricoh Im 2500 Firmware

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Ricoh mp_c4504ex devices with firmware 1.06 mishandle credentials.

Affected products

• Ricoh Im 2500 Firmware: up to and including 4.02
• Ricoh Im 2702 Firmware: up to and including 1.12
• Ricoh Im 3000 Firmware: up to and including 4.02
• Ricoh Im 3500 Firmware: up to and including 4.02
• Ricoh Im 350 Firmware: up to and including 1.10
• Ricoh Im 350f Firmware: up to and including 1.10
• Ricoh Im 4000 Firmware: up to and including 4.02
• Ricoh Im 430f Firmware: up to and including 1.10
• Ricoh Im 430fb Firmware: up to and including 1.10
• Ricoh Im 5000 Firmware: up to and including 4.02
• Ricoh Im 550f Firmware: up to and including 5.02
• Ricoh Im 6000 Firmware: up to and including 4.02
• Ricoh Im 600f Firmware: up to and including 5.02
• Ricoh Im 600srf Firmware: up to and including 5.02
• Ricoh Im 7000 Firmware: up to and including 2.02
• Ricoh Im 8000 Firmware: up to and including 2.02
• Ricoh Im 9000 Firmware: up to and including 2.02
• Ricoh Im c2000 Firmware: up to and including 6.03
• Ricoh Im c2500 Firmware: up to and including 6.03
• Ricoh Im c3000 Firmware: up to and including 6.03
• Ricoh Im c300 Firmware: up to and including 5.03
• Ricoh Im c300f Firmware: up to and including 5.03
• Ricoh Im c3500 Firmware: up to and including 6.03
• Ricoh Im c400f Firmware: up to and including 5.03
• Ricoh Im c400srf Firmware: up to and including 5.03
• and 52 more

Published 2023-02-16. Last modified 2026-06-17.