{"id":"CVE-2025-66644","kind":"vulnerability","aliases":["CVE-2025-66644"],"related":[],"title":"arraynetworks arrayos ag: Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through…","description":"Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"Array Networks ArrayOS AG contains an OS command injection flaw that lets an attacker run arbitrary commands on the appliance. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2025-12-08T00:00:00+00:00","products":[{"name":"Array Networks ArrayOS AG","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"arraynetworks arrayos ag","fixed":["9.4.5.9"],"affected":"< 9.4.5.9","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["array-networks","arrayos-ag","exploited","infrastructure","self-hosted"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the mitigations from the Array Networks vendor advisory, or discontinue use of the product if mitigations are unavailable (per CISA required action).","status":"open","published_at":"2025-12-05T19:15:53+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:44:14+00:00","updated_at":"2026-10-23T23:44:51+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:44:14Z","model":"claude-haiku-5-5","output":{"fix":"Apply the mitigations from the Array Networks vendor advisory, or discontinue use of the product if mitigations are unavailable (per CISA required action).","reach":"unknown","summary":"Array Networks ArrayOS AG contains an OS command injection flaw that lets an attacker run arbitrary commands on the appliance. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["array-networks","arrayos-ag","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs arbitrary operating system commands on the appliance","analyst_note":"Find the Array Networks advisory for CVE-2025-66644 to get affected and fixed ArrayOS AG versions, the exact mitigation steps, and the required access level, since the KEV entry gives none of these.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000437,"input_tokens":2536,"output_tokens":367,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':104C '-2025':21A,24A '-66644':22A,25A '22':103C '9.4.5.9':9A 'action':94C 'activ':68B 'ag':3A,7A,29A,32A,38B,47B,76C 'allow':10A,85C 'appli':95C 'applianc':63B 'applic':101C 'arbitrari':59B,90C 'array':4A,26A,34B,44B,73C 'array-network':33B 'arraynetwork':1A 'arraynetworks':30A 'arrayo':2A,6A,37B,46B,75C 'arrayos':28A,31A 'arrayos-ag':36B 'attack':57B,87C 'august':19A 'bod':102C 'cisa':64B,92C 'cloud':107C 'command':11A,51B,60B,80C,91C 'contain':48B,77C 'could':84C 'cve':20A,23A 'discontinu':110C 'execut':89C 'exploit':14A,39B,69B 'flaw':53B 'follow':100C 'guidanc':105C 'host':43B 'infrastructur':40B 'inject':12A,52B,81C 'instruct':99C 'let':55B 'list':65B 'mitig':96C,116C 'network':5A,35B,45B,74C 'networks':27A 'os':50B,79C 'per':97C 'product':114C 'requir':93C 'run':58B 'self':42B 'self-host':41B 'servic':108C 'unavail':118C 'use':111C 'vendor':98C 'vulner':82C 'wild':17A,72B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-12-05T19:15:53+00:00","kev":{"dateAdded":"2025-12-08","dueDate":"2025-12-29","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"cve@mitre.org","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-66644","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-66644","severity":null,"published_at":"2025-12-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:21+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-66644","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66644","severity":null,"published_at":"2025-12-05T19:15:53+00:00","modified_at":"2026-06-17T09:57:08+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}