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CVE-2025-55069

AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator

Published: Sep 23, 2025Updated: Sep 24, 2025 Sources: CVE List NVD csafCWE-337
8.3HIGH
NVD MITRE
EPSS Score
0.3%
Top 79.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

No summary for this CVE yet.

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-337

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

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01
cisa.gov
https://www.automationdirect.com/support/software-downloads
automationdirect.com
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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