CVE-2025-55038

HIGH EPSS 14.5%

Published Sep 23, 20259mo ago · Modified Jun 17, 20261w ago

7.6 CVSS 4.0

High

Published Sep 23, 2025 9mo ago

Last Modified Jun 17, 2026 1w ago

Description

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 exploit this vulnerability to read and modify PLC variables beyond their intended authorization level.

CVSS Details

Base Score

7.6

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity High

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

14.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 2

automationdirect.com https://www.automationdirect.com/support/software-downloads
cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.