CVE-2025-66644
Array Networks ArrayOS AG OS Command Injection Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run ArrayOS AG, fix it now.
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.
US federal civilian agencies must remediate by Dec 29, 2025.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
Description
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| ArrayOS AG | Array Networks | < 9.4.5.9 | 9.4.5.9 | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2025-66644 scored CVSS 9.8: Array Networks ArrayOS AG, Array Networks ArrayOS AG OS Command Injection Vulnerability
CISA lists this as exploited in the wild. Unpatched ArrayOS AG systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
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