{
  "id": "CVE-2025-66644",
  "url": "https://spydr.io/cve/CVE-2025-66644",
  "published": "2025-12-05T19:15:53.293Z",
  "modified": "2026-06-17T09:57:08.520Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.03415,
  "epss_percentile": 0.88517,
  "exploited": true,
  "kev": {
    "added": "2025-12-08",
    "due": "2025-12-29",
    "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.",
    "ransomware": "Unknown",
    "name": "Array Networks ArrayOS AG OS Command Injection Vulnerability",
    "notes": "https://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"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Array Networks"
  ],
  "products": [
    "Array Networks ArrayOS AG"
  ],
  "cwes": [
    "CWE-78"
  ],
  "description": "Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/",
      "tags": [
        "Press/Media Coverage"
      ]
    },
    {
      "url": "https://www.jpcert.or.jp/at/2025/at250024.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://x.com/ArraySupport/status/1921373397533032590",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66644",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}