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CVE-2025-58069

AutomationDirect CLICK PLUS Use of Hard-coded Cryptographic Key

MEDIUM
5.3
CVSS Score
Published: September 23, 2025 at 10:04 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
3 products affected across 1 vendorCLICK PLUS C2-x CPU firmwareCLICK PLUS C0-1x CPU firmwareClick Plus

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

The use of a hard-coded cryptographic key was discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software contains a hard-coded AES key used to protect the initial messages of a new KOPS session.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Click Plus· Automationdirect
90%
0 ≤ v < v3.710
Affected range stops below v3.71, so it looks safe — our inference, not a vendor statement
CLICK PLUS C0-1x CPU firmware· Automationdirect
90%
0 ≤ v < v3.710
CLICK PLUS C2-x CPU firmware· Automationdirect
90%
0 ≤ v < v3.710

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMicscert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-321

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