{"id":"CVE-2025-66644","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-66644","generatedAt":"2026-10-28T04:33:46.954Z","title":"Array Networks ArrayOS AG OS Command Injection Vulnerability","description":"Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.","published":"2025-12-05T19:15:53.000Z","lastModified":"2026-06-17T09:57:09.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["arraynetworks/arrayos ag"],"epss":{"score":0.03415,"percentile":0.88825,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2025-12-08","dueDate":"2025-12-29","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://support.arraynetworks.net/prx/001/http/supportportal.arraynetworks.net/ag.html ; https://www.jpcert.or.jp/at/2025/at250024.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-66644"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 December 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"https://www.jpcert.or.jp/at/2025/at250024.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://x.com/ArraySupport/status/1921373397533032590","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-66644","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}