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High 7.2Known exploited (CISA KEV)Published Dec 5, 2025
CVE-2025-66644Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Updated under an hour ago ()
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It affects Array Networks ArrayOS AG and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Dec 8, 2025; federal agencies had to remediate by Dec 29, 2025. Treat that date as your deadline.
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Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
- CVSS
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Dec 8, 2025; federal remediation due Dec 29, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 3.42% (percentile 89)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Array Networks ArrayOS AG array_networks:arrayos_ag (from the name) | before 9.4.5.9 | CNA record |
arraynetworks arrayos_ag arraynetworks:arrayos_ag | before 9.4.5.9 | NVD |
References
- https://www.jpcert.or.jp/at/2025/at250024.htmlthird-party-advisory
- https://x.com/ArraySupport/status/1921373397533032590third-party-advisory
- https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/press/media-coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.