CVE-2020-9436: OS Command Injection

Published Mar 12, 2020
·
Updated

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 Software

24 affected components
Phoenixcontact Tc Router 3002t-4g Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g
Phoenixcontact Tc Router 2002t-3g Firmware<=2.05.3
Phoenixcontact Tc Router 2002t-3g
Phoenixcontact Tc Router 3002t-4g Vzw Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g Vzw
Phoenixcontact Tc Router 3002t-4g Att Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g Att
Phoenixcontact Tc Cloud Client 1002-4g Firmware<=2.03.17
Phoenixcontact Tc Cloud Client 1002-4g
Phoenixcontact Tc Cloud Client 1002-txtx Firmware<=1.03.17
Phoenixcontact Tc Cloud Client 1002-txtx
All of the following
Phoenixcontact Tc Router 3002t-4g Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g
All of the following
Phoenixcontact Tc Router 2002t-3g Firmware<=2.05.3
Phoenixcontact Tc Router 2002t-3g
All of the following
Phoenixcontact Tc Router 3002t-4g Vzw Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g Vzw
All of the following
Phoenixcontact Tc Router 3002t-4g Att Firmware<=2.05.3
Phoenixcontact Tc Router 3002t-4g Att
All of the following
Phoenixcontact Tc Cloud Client 1002-4g Firmware<=2.03.17
Phoenixcontact Tc Cloud Client 1002-4g
All of the following
Phoenixcontact Tc Cloud Client 1002-txtx Firmware<=1.03.17
Phoenixcontact Tc Cloud Client 1002-txtx

Event History

Mar 12, 2020
CVE Published
via MITRE·01:22 PM
Data Sourced
via MITRE·01:22 PM
Description
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Sep 15, 58461
Event
05:34 AM

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2020-9436.

2

What is the severity of CVE-2020-9436?

The severity of CVE-2020-9436 is critical with a CVSS score of 8.8.

3

Which devices are affected by CVE-2020-9436?

The affected devices include 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.

4

How can the vulnerability be exploited?

Authenticated users can exploit the vulnerability to inject system commands.

5

Are there any fixes available for CVE-2020-9436?

It is recommended to apply the latest firmware updates provided by PHOENIX CONTACT to mitigate the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203