CVE-2025-55069: high-severity vulnerability in AutomationDirect CLICK PLUS C0-0x CPU firmware
AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.3%
A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/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-2025-58069MEDIUMAutomationDirect CLICK PLUS Use of Hard-coded Cryptographic KeyEPSS 0.3%CVE-2025-55038HIGHAutomationDirect CLICK PLUS Missing AuthorizationEPSS 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%