CVE-2020-9436: Phoenixcontact Tc Cloud Client 1002-4g Firmware

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

PHOENIX CONTACT TC ROUTER 3002T-4G through 2.05.3, TC ROUTER 2002T-3G through 2.05.3, TC ROUTER 3002T-4G VZW through 2.05.3, TC ROUTER 3002T-4G ATT through 2.05.3, TC CLOUD CLIENT 1002-4G through 2.03.17, and TC CLOUD CLIENT 1002-TXTX through 1.03.17 devices allow authenticated users to inject system commands through a modified POST request to a specific URL.

Affected products

• Phoenixcontact Tc Cloud Client 1002-4g Firmware: up to and including 2.03.17
• Phoenixcontact Tc Cloud Client 1002-Txtx Firmware: up to and including 1.03.17
• Phoenixcontact Tc Router 2002t-3g Firmware: up to and including 2.05.3
• Phoenixcontact Tc Router 3002t-4g Att Firmware: up to and including 2.05.3
• Phoenixcontact Tc Router 3002t-4g Firmware: up to and including 2.05.3
• Phoenixcontact Tc Router 3002t-4g Vzw Firmware: up to and including 2.05.3

Published 2020-03-12. Last modified 2026-06-17.