CVE-2020-9435

HIGH

PHOENIX CONTACT TC Router and TC Cloud Client - Use of Hard-coded Credentials

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://cert.vde.com/en-us/advisories/
Third Party Advisory x_refsource_misc
https://cert.vde.com/en-us/advisories/vde-2020-003
Exploit, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Mar/15

Scores

CVSS v3 7.5
EPSS 0.0116
EPSS Percentile 62.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-798
Status published
Products (6)
phoenixcontact/tc_cloud_client_1002-4g_firmware < 2.03.17
phoenixcontact/tc_cloud_client_1002-txtx_firmware < 1.03.17
phoenixcontact/tc_router_2002t-3g_firmware < 2.05.3
phoenixcontact/tc_router_3002t-4g_att_firmware < 2.05.3
phoenixcontact/tc_router_3002t-4g_firmware < 2.05.3
phoenixcontact/tc_router_3002t-4g_vzw_firmware < 2.05.3
Published Mar 12, 2020
Tracked Since Feb 18, 2026