Auth bypass in Automationdirect Click Plus C0-0x Cpu Firmware

CVE-2025-55038

An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. Through the KOPR protocol utilized by the Remote PLC application, authenticated users with low-level access permissions can…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-55038?
CVE-2025-55038 is a medium-severity vulnerability in Automationdirect Click Plus C0-0x Cpu Firmware, classified under Missing Authorization. CVSS score: 6.8/10. Published 2025-09-23.
How severe is CVE-2025-55038?
Medium severity. CVSS v3 base score is 6.8 out of 10.