CVE-2022-29897: Phoenixcontact Rad-Ism-900-En-Bd-Bus Firmware

Critical severity, CVSS 9.1. EPSS: 1.4% chance of exploitation in the next 30 days.

On various RAD-ISM-900-EN-* devices by PHOENIX CONTACT an admin user could use the traceroute utility integrated in the WebUI to execute arbitrary code with root privileges on the OS due to an improper input validation in all versions of the firmware.

Affected products

• Phoenixcontact Rad-Ism-900-En-Bd-Bus Firmware: any version
• Phoenixcontact Rad-Ism-900-En-Bd/b Firmware: any version
• Phoenixcontact Rad-Ism-900-En-Bd Firmware: any version

Published 2022-05-11. Last modified 2026-06-17.