CVE-2025-59484
High
Description
The use of a broken or risky cryptographic algorithm was discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software uses an insecure implementation of the RSA encryption algorithm.
SeverityHigh
CVSS8.3
Exploit probability—
ProductCLICK PLUS C0-0x CPU firmware
PublishedSep 23, 2025
First seenSep 23, 2025
Weakness typeCWE-327CWE-327
How to fix
Update
- AutomationDirect CLICK PLUS C0-0x CPU firmwarev3.71 or later
- AutomationDirect CLICK PLUS C0-1x CPU firmwarev3.71 or later
- AutomationDirect CLICK PLUS C2-x CPU firmwarev3.71 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AutomationDirect CLICK PLUS C0-0x CPU firmware | v < v3.71 | v3.71 |
| AutomationDirect CLICK PLUS C0-1x CPU firmware | v < v3.71 | v3.71 |
| AutomationDirect CLICK PLUS C2-x CPU firmware | v < v3.71 | v3.71 |
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