CVE-2025-59484

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The vulnerability relies on the fact that the software uses an insecure implementation of the RSA encryption algorithm.</span>\n\n</span>\n\n</span>"}], "value": "The use of a broken or risky cryptographic algorithm was discovered in firmware version 3.60 of the Click Plus PLC. 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Block any unauthorized software.</li><li>Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.</li><li>Logging &amp; Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.</li><li>Backup &amp; Recovery \u2013 Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.</li><li>Ongoing Risk Assessment \u2013 Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.</li></ul>\n\n<br>"}], "value": "AutomationDirect recommends that users update CLICK PLUS and firmware to V3.80. https://www.automationdirect.com/support/software-downloads \n\nIf the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed:\n\n * Network Isolation \u2013 Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.\n * Secure Communications \u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\n * Access Control \u2013 Restrict both physical and logical access to authorized personnel only.\n * Application Whitelisting \u2013 Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.\n * Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\n * Logging & Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\n * Backup & Recovery \u2013 Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.\n * Ongoing Risk Assessment \u2013 Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly."}], "source": {"advisory": "ICSA-25-266-01", "discovery": "EXTERNAL"}, "title": "AutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic Algorithm", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-09-24T14:06:33.176207Z", "id": "CVE-2025-59484", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-24T14:08:07.973Z"}}]}}

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Block any unauthorized software.\n * Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\n * Logging & Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\n * Backup & Recovery \u2013 Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.\n * Ongoing Risk Assessment \u2013 Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.", "supportingMedia": [{"type": "text/html", "value": "<p>AutomationDirect recommends that users update CLICK PLUS and firmware to <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.automationdirect.com/support/software-downloads\">V3.80.</a></p><p>If the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed:</p><ul><li>Network Isolation \u2013 Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.</li><li>Secure Communications \u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.</li><li>Access Control \u2013 Restrict both physical and logical access to authorized personnel only.</li><li>Application Whitelisting \u2013 Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.</li><li>Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.</li><li>Logging &amp; Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.</li><li>Backup &amp; Recovery \u2013 Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.</li><li>Ongoing Risk Assessment \u2013 Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.</li></ul>\n\n<br>", "base64": false}]}], "datePublic": "2025-09-23T16:00:00.000Z", "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01"}, {"url": "https://www.automationdirect.com/support/software-downloads"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "The use of a broken or risky cryptographic algorithm was discovered in firmware version 3.60 of the Click Plus PLC. 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{}

{"created": "2025-09-25T08:22:10.270106+00:00", "updated": "2025-09-25T08:22:10.270159+00:00", "vendors": ["automationdirect", "automationdirect$PRODUCT$click_plus"]}