CVE-2025-58069 — AutomationDirect CLICK PLUS Use of Hard-coded Cryptographic Key
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.
Who exploits it and how urgent it is
A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.
How the score was calculated
- EPSS 0.3% (30-day exploitation probability)+3
- Technical severity (medium)+3
- Automatable exploitation (SSVC)+3
The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.
CISA SSVC assessment CISA
Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.
Remediation
Fixes and mitigations documented by the sources — linked to the original advisory.
No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.
First 24 hours
Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.
- Identify exposed assets running the affected vendor/product/version combinations (AutomationDirect CLICK PLUS C0-0x CPU firmware, AutomationDirect CLICK PLUS C0-1x CPU firmware, AutomationDirect CLICK PLUS C2-x CPU firmware).
- The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
- No fix documented in the sources: reduce exposure and monitor the vendor advisory.
- Search available logs for exploit probes, errors and authentication anomalies.
Affected scope
Vendor, product and versions as the sources word them.
| Vendor | Product | Versions | Status | Source |
|---|---|---|---|---|
| AutomationDirect | CLICK PLUS C0-0x CPU firmware | < v3.71 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| AutomationDirect | CLICK PLUS C0-1x CPU firmware | < v3.71 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| AutomationDirect | CLICK PLUS C2-x CPU firmware | < v3.71 | Vulnerable | CVE Program (cve.org) e CISA ADP |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Every base score collected
Sources score independently and may disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Scored by |
|---|---|---|---|---|---|
| 6.9 | CVSS 4.0 | Medium | — | — | ics-cert@hq.dhs.gov via NIST National Vulnerability Database |
| 6.9 | CVSS 4.0 | Medium | — | — | icscert via CVE Program (cve.org) e CISA ADP |
| 5.3 | CVSS 3.1 | Medium | 3.9 | 1.4 | ics-cert@hq.dhs.gov via NIST National Vulnerability Database |
| 5.3 | CVSS 3.1 | Medium | — | — | GitHub, Inc. via GitHub Security Advisories |
| 5.3 | CVSS 3.1 | Medium | — | — | icscert via CVE Program (cve.org) e CISA ADP |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N (score shown at the top: ics-cert@hq.dhs.gov) Weakness MITRE
Weakness class according to MITRE’s CWE catalog.
Detection
Read off the CVSS vector and the weakness class. Starting points, not tested rules.
- Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Timeline
What happened to this CVE, newest first.
- 2026
- Affected products added · automationdirect/click plus c0-0x cpu firmware, automationdirect/click plus c0-1x cpu firmware, automationdirect/click p
- SSVC assessment updated
- Record published
- CVSS changed · 5.3
- Source status changed · → Deferred
- Record created in this database
- 2025
- CVE published
Source activity
Repeated readings are counted rather than listed.
- 2× References added · Oct 18, 2026 – Oct 18, 2026
- 1× Official description updated · Oct 18, 2026 – Oct 18, 2026
References
4 on the record
Elsewhere on this site
Related CVEs (same products)
- Medium CVE-2025-58473 AutomationDirect CLICK PLUS Improper Resource Shutdown or Release Sep 23, 2025
- Medium CVE-2025-55038 AutomationDirect CLICK PLUS Missing Authorization Sep 23, 2025
- High CVE-2025-55069 AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator Sep 23, 2025
- Medium CVE-2025-57882 AutomationDirect CLICK PLUS Improper Resource Shutdown or Release Sep 23, 2025
- High CVE-2025-59484 AutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic Algorithm Sep 23, 2025
- Medium CVE-2025-54855 AutomationDirect CLICK PLUS Cleartext Storage of Sensitive Information Sep 23, 2025
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No fixed version, patch or mitigation documented.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record
Text assembled only from the fields above — no additional claims.
What should defenders know first?
CVE-2025-58069 is "AutomationDirect CLICK PLUS Use of Hard-coded Cryptographic Key", rated Medium. It affects CLICK PLUS C0-0x CPU firmware (AutomationDirect); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 5.3 describes technical severity. EPSS 0.26% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.
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