CVE-2020-9435
7.5 · HIGHOverview
CVE-2020-9435 is a high-severity vulnerability affecting phoenixcontact tc_router_3002t-4g_firmware. It was published on March 12, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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 contain a hardcoded certificate (and key) that is used by default for web-based services on the device. Impersonation, man-in-the-middle, or passive decryption attacks are possible if the generic certificate is not replaced by a device-specific certificate during installation.
Remediation
Check the references section for vendor advisories and patches from phoenixcontact. Update tc_router_3002t-4g_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| phoenixcontact | tc_router_3002t-4g_firmware | 0 | Affected |
| phoenixcontact | tc_router_2002t-3g_firmware | 0 | Affected |
| phoenixcontact | tc_router_3002t-4g_vzw_firmware | 0 | Affected |
| phoenixcontact | tc_router_3002t-4g_att_firmware | 0 | Affected |
| phoenixcontact | tc_cloud_client_1002-4g_firmware | 0 | Affected |
| phoenixcontact | tc_cloud_client_1002-txtx_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-9435?
CVE-2020-9435 is a high-severity vulnerability affecting phoenixcontact tc_router_3002t-4g_firmware. It was published on March 12, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-9435?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-9435?
Check the references section for vendor advisories and patches from phoenixcontact. Update tc_router_3002t-4g_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-9435?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-9435 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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