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.
Scores
CVSS v3
8.3
EPSS
0.0002
EPSS Percentile
3.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-327
Status
published
Products (3)
AutomationDirect/CLICK PLUS C0-0x CPU firmware
< v3.71
AutomationDirect/CLICK PLUS C0-1x CPU firmware
< v3.71
AutomationDirect/CLICK PLUS C2-x CPU firmware
< v3.71
Published
Sep 23, 2025
Tracked Since
Feb 18, 2026