# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2025-66644
- CVSS: 7.2
- Known exploited: yes, in CISA KEV since 2025-12-08; CISA due date 2025-12-29
- EPSS: 3.42%
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-12-09)
- Weakness: CWE-78
- Published: 2025-12-05

## Affected versions

- Array Networks ArrayOS AG: affected < 9.4.5.9

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://www.jpcert.or.jp/at/2025/at250024.html
- [other] https://x.com/ArraySupport/status/1921373397533032590
- [other] https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.