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CVE-2020-9435

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.

POC

Reference

- http://packetstormsecurity.com/files/156729/Phoenix-Contact-TC-Router-TC-Cloud-Client-Command-Injection.html

- http://seclists.org/fulldisclosure/2020/Mar/15

- https://cert.vde.com/en-us/advisories/

- https://cert.vde.com/en-us/advisories/vde-2020-003

Github

No PoCs found on GitHub currently.