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CVE-2025-66644Array Networks ArrayOS AG OS Command Injection Vulnerability
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
9.8 CRITICALEPSS 3.33%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 7.2 | HIGH | 3.1mitre (CNA) | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Dec 29, 2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2025-66644
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- Dec 5, 2025
- Last modified
- 2026-06-17 09:57 UTC
- Weaknesses
- CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
As published by the CNA in the CVE record.
Array NetworksArrayOS AG1 version range
- before 9.4.5.9
References
- bleepingcomputer.com https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/
- jpcert.or.jp https://www.jpcert.or.jp/at/2025/at250024.html
- x.com https://x.com/ArraySupport/status/1921373397533032590
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644