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CVE-2025-59484

AutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic Algorithm

Published: Sep 23, 2025Updated: Sep 24, 2025 Sources: CVE List NVD csafCWE-327
NVD MITRE
8.3CVSSHIGH
EPSS Score
0.1%
Top 98.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-327

Affected Products

CLICK PLUS C0-0x CPU firmwareAutomationDirectICS / OT / IoT
CLICK PLUS C0-1x CPU firmwareAutomationDirectICS / OT / IoT
CLICK PLUS C2-x CPU firmwareAutomationDirectICS / OT / IoT
automationdirectcommercialUSICS / OT / IoTaka productivity 1000 p1-540 cpu, productivity 1000 p1-550 cpu, productivity 2000 p2-550 cpu

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.automationdirect.com/support/software-downloads
automationdirect.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01
cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-266-01.json
raw.githubusercontent.com
and 28 more references View all →

Timeline

Published
Sep 23, 2025
Last Updated
Sep 24, 2025

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