CVE-2025-66644 (GCVE-0-2025-66644)

Vulnerability from cvelistv5 – Published: 2025-12-05 00:00 – Updated: 2026-02-26 16:57
VLAI CISA KEVIntel
Summary
Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
Array Networks ArrayOS AG Affected: 0 , < 9.4.5.9 (custom)
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8c7d6cfd-1f7e-4dcf-a23f-93734ced20a0

Vulnerability ID: CVE-2025-66644

Status: Confirmed

Status Updated: 2025-12-08 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-12-08
Asserted: 2025-12-08
Scope
Notes: KEV entry: Array Networks ArrayOS AG OS Command Injection Vulnerability | Affected: Array Networks / ArrayOS AG | Description: Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands. | 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. | Due date: 2025-12-29 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.arraynetworks.net/prx/001/http/supportportal.arraynetworks.net/ag.html ; https://www.jpcert.or.jp/at/2025/at250024.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-66644
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-78
Feed CISA Known Exploited Vulnerabilities Catalog
Product ArrayOS AG
Due Date 2025-12-29
Date Added 2025-12-08
Vendorproject Array Networks
Vulnerabilityname Array Networks ArrayOS AG OS Command Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:25 UTC | Updated: 2026-02-06 07:17 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e0ac4cce-fc5a-4988-b450-170c04c3ad91

Vulnerability ID: CVE-2025-66644

Status: Confirmed

Status Updated: 2026-06-01 10:45 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025. | Affected: Array Networks / ArrayOS AG | CVSS: 7.2 (HIGH) | EPSS: 0.03046 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
Vendor Array Networks
Product ArrayOS AG
Added Date 2026-06-01T10:45:37.791Z
Cvss Score 7.2
Epss Score 0.03046
Cvss Severity HIGH
Epss Percentile 0.85828
Used In Malware unknown
Ahead Of Cisa Kev 
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}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-06-23 14:03 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.