CVE-2023-23453: Sick FX0-GENT00000 Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Missing Authentication for Critical Function in SICK FX0-GENT v3 Firmware Version V3.04 and V3.05 allows an unprivileged remote attacker to achieve arbitrary remote code execution via maliciously crafted RK512 commands to the listener on TCP port 9000.

Affected products

• Sick FX0-GENT00000 Firmware: version 3.04 only; version 3.05 only
• Sick FX0-GENT00010 Firmware: version 3.04 only; version 3.05 only

Published 2023-02-20. Last modified 2026-06-17.