# CVE-2025-66644: Array Networks ArrayOS AG OS Command Injection Vulnerability

> CVE-2025-66644: Array Networks ArrayOS AG OS Command Injection Vulnerability. CVSS 7.2 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-66644
Last updated: 2026-06-17T09:57:08Z

- Published: 2025-12-05 00:00 UTC · Updated: 2026-06-17 09:57 UTC · Assigner: mitre
- CVSS: 7.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS: 3.4%, 89th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-12-08, federal due date 2025-12-29, ransomware use: Unknown
- CWE: 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.

## CISA 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.

## Affected vendors and products

- Array Networks: ArrayOS AG

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-66644)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-66644)
- [https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/](https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/)
- [https://www.jpcert.or.jp/at/2025/at250024.html](https://www.jpcert.or.jp/at/2025/at250024.html)
- [https://x.com/ArraySupport/status/1921373397533032590](https://x.com/ArraySupport/status/1921373397533032590)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2025-66644 · Markdown: https://rewindex.com/cve/CVE-2025-66644.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-66644 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:14:45.238Z