CVE-2025-55038: high-severity vulnerability in AutomationDirect CLICK PLUS C0-0x CPU firmware
AutomationDirect CLICK PLUS Missing Authorization
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.6epss 0.3%
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:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
AutomationDirect · CLICK PLUS C0-0x CPU firmwareAutomationDirect · CLICK PLUS C0-1x CPU firmwareAutomationDirect · CLICK PLUS C2-x CPU firmwareRelated CVEs — AutomationDirect CLICK PLUS C0-0x CPU firmware
In the same product, most dangerous first.
CVE-2025-58473HIGHAutomationDirect CLICK PLUS Improper Resource Shutdown or ReleaseEPSS 0.4%CVE-2025-57882HIGHAutomationDirect CLICK PLUS Improper Resource Shutdown or ReleaseEPSS 0.3%CVE-2025-55069HIGHAutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number GeneratorEPSS 0.3%CVE-2025-58069MEDIUMAutomationDirect CLICK PLUS Use of Hard-coded Cryptographic KeyEPSS 0.3%CVE-2025-59484HIGHAutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic AlgorithmEPSS 0.1%CVE-2025-54855MEDIUMAutomationDirect CLICK PLUS Cleartext Storage of Sensitive InformationEPSS 0.1%