{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-58473","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","state":"PUBLISHED","assignerShortName":"icscert","dateReserved":"2025-09-16T20:09:26.651Z","datePublished":"2025-09-23T22:21:06.164Z","dateUpdated":"2025-09-24T14:07:48.727Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"CLICK PLUS C0-0x CPU firmware","vendor":"AutomationDirect","versions":[{"lessThan":"v3.71","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"CLICK PLUS C0-1x CPU firmware","vendor":"AutomationDirect","versions":[{"lessThan":"v3.71","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"CLICK PLUS C2-x CPU firmware","vendor":"AutomationDirect","versions":[{"lessThan":"v3.71","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Luca Borzacchiello and Diego Zaffaroni of Nozomi Networks reported these vulnerabilities to Automation Direct."}],"datePublic":"2025-09-23T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions of the Click Programming Software.</span>"}],"value":"An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions of the Click Programming Software."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2025-09-23T22:21:06.164Z"},"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01"},{"url":"https://www.automationdirect.com/support/software-downloads"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"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 – Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.</li><li>Secure Communications – Use only trusted, dedicated internal networks or air-gapped systems for device communication.</li><li>Access Control – Restrict both physical and logical access to authorized personnel only.</li><li>Application Whitelisting – Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.</li><li>Endpoint Protection – Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.</li><li>Logging &amp; Monitoring – Enable and regularly review system logs to detect suspicious or unauthorized activity.</li><li>Backup &amp; Recovery – Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.</li><li>Ongoing Risk Assessment – 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 – Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.\n  *  Secure Communications – Use only trusted, dedicated internal networks or air-gapped systems for device communication.\n  *  Access Control – Restrict both physical and logical access to authorized personnel only.\n  *  Application Whitelisting – Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.\n  *  Endpoint Protection – Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\n  *  Logging & Monitoring – Enable and regularly review system logs to detect suspicious or unauthorized activity.\n  *  Backup & Recovery – Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.\n  *  Ongoing Risk Assessment – 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 Improper Resource Shutdown or Release","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-24T14:06:16.519325Z","id":"CVE-2025-58473","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-09-24T14:07:48.727Z"}}]}}