CVE-2025-66644
Array Networks ArrayOS AG OS Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA 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
Description
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Severity
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation Context
as of October 14, 2026- CISA added CVE-2025-66644 to the KEV catalog 3 days after its CVE record was published. The median for entries added in 2025 is 26 days.
- It is one of 2 Array Networks entries in the CISA KEV catalog, and the only one added in 2025.
- Its current EPSS score (3.4%) is higher than that of 13% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Array Networks | Array Networks ArrayOS AG | 0 to <9.4.5.9 |
References
3 LinksRecord Details
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.