CVE-2025-66644 kev in the critical feed json
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
published 11mo ago modified 4mo ago also EUVD-2025-201500
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Exploited
- added 2025-12-08
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Patch / fix
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.
- Array Networks ArrayOS AG 9.4.5.9
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Check with FencerTimeline
- Published
- Added to CISA KEV
- CISA SSVC: exploitation active
- CISA patch deadline
Known exploited
- Added
- 11mo ago
- Patch by
- 2025-12-29 (10mo ago)
- Ransomware
- Not known
- 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.
- Vendor, product
- Array Networks , ArrayOS AG
- CISA name
- Array Networks ArrayOS AG OS Command Injection Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 11mo ago
Exploit prediction
3.33% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Array Networks ArrayOS AG
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
jpcert.or.jp
/at/2025/at250024.html
third-party-advisory
-
x.com
/ArraySupport/status/1921373397533032590
third-party-advisory
-
bleepingcomputer.com
/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/
press/media-coverage
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644
government-resource, us-government-resource
Sources
- CVE List CVE-2025-66644
- NVD CVE-2025-66644
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