CVE-2025-66644
CVSS v3
9.8
CRITICAL
EPSS Score
3.1 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
CISA Known Exploited Vulnerability
- Date Added
- 2025-12-08
- Patch Due Date
- 2025-12-29
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-12-05
Frequently asked questions
What is CVE-2025-66644?
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Is CVE-2025-66644 actively exploited?
Yes. CVE-2025-66644 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-12-29.
What is the CVSS score for CVE-2025-66644?
CVE-2025-66644 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-66644 affecting your environment?
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