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CVE-2025-58069

AutomationDirect CLICK PLUS Use of Hard-coded Cryptographic Key

Medium6.9EPSS 0.26%
Published
Updated
Reserved
Assigned by
icscert

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.

Timeline

  1. ID reserved

    By icscert

  2. · 7 days later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-58069, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0Medium6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVDNVD · Deferred4.0Medium6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.26% · top 82% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.

Weakness

Affected products

What to do

Solution: AutomationDirect recommends that users update CLICK PLUS and firmware to V3.80. https://www.automationdirect.com/support/software-downloads If the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed: * Network Isolation – Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure. * Secure Communications – Use only trusted, dedicated internal networks or air-gapped systems for device communication. * Access Control – Restrict both physical and logical access to authorized personnel only. * Application Whitelisting – Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software. * Endpoint Protection – Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts. * Logging & Monitoring – Enable and regularly review system logs to detect suspicious or unauthorized activity. * Backup & Recovery – Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident. * Ongoing Risk Assessment – Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .