Known Exploited Vulnerability
9.8
CRITICAL CVSS 3.1
CVE-2025-66644
Array Networks ArrayOS AG OS Command Injection Vulnerability - [Actively Exploited]
Description

Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.

INFO

Published Date :

Dec. 5, 2025, 7:15 p.m.

Last Modified :

Dec. 9, 2025, 6:45 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

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.

Notes :

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

Affected Products

The following products are affected by CVE-2025-66644 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Arraynetworks arrayos_ag
2 Arraynetworks vxag
3 Arraynetworks ag1000
4 Arraynetworks ag1000t
5 Arraynetworks ag1000v5
6 Arraynetworks ag1100v5
7 Arraynetworks ag1150
8 Arraynetworks ag1200
9 Arraynetworks ag1200v5
10 Arraynetworks ag1500
11 Arraynetworks ag1500fips
12 Arraynetworks ag1500v5
13 Arraynetworks ag1600
14 Arraynetworks ag1600v5
15 Arraynetworks ag1100
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
Update ArrayOS to a version that addresses command injection vulnerabilities.
  • Update ArrayOS to version 9.4.5.9 or later.
  • Apply vendor-provided security patches immediately.
  • Restrict administrative access to the device.
  • Monitor network traffic for suspicious activity.
Public PoC/Exploit Available at Github

CVE-2025-66644 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-66644.

URL Resource
https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/ Press/Media Coverage
https://www.jpcert.or.jp/at/2025/at250024.html Third Party Advisory
https://x.com/ArraySupport/status/1921373397533032590 Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-66644 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

CVE-2025-66644

Updated: 2 days, 19 hours ago
1 stars 0 fork 0 watcher
Born at : Dec. 9, 2025, 1:37 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-66644 vulnerability anywhere in the article.

  • security.nl
VS meldt misbruik van beveiligingslek in Array Networks ssl vpn gateways

Aanvallers maken actief misbruik van een kwetsbaarheid in de ssl vpn gateways van Array Networks, zo waarschuwt het Amerikaanse cyberagentschap CISA. Eerder kwam ook al de Japanse overheid met een waa ... Read more

Published Date: Dec 09, 2025 (6 days, 16 hours ago)
  • Daily CyberSecurity
CISA KEV Alert: EOL D-Link and Array Networks Command Injection Under Active Attack

The Cybersecurity and Infrastructure Security Agency (CISA) has updated its Known Exploited Vulnerabilities (KEV) Catalog with two distinct but equally dangerous threats: a critical flaw in legacy D-L ... Read more

Published Date: Dec 09, 2025 (1 week ago)
  • TheCyberThrone
CISA Adds Array Networks and D-Link Vulnerabilities to KEV Catalog

December 9, 2025CISA has recently added critical vulnerabilities from Array Networks ArrayOS AG VPN devices and D-Link routers to its Known Exploited Vulnerabilities (KEV) catalog, signaling active re ... Read more

Published Date: Dec 09, 2025 (1 week ago)

The following table lists the changes that have been made to the CVE-2025-66644 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 09, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration AND OR *cpe:2.3:o:arraynetworks:arrayos_ag:*:*:*:*:*:*:*:* versions up to (excluding) 9.4.5.9 OR cpe:2.3:h:arraynetworks:ag1000:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1000t:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1150:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1200:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1500:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1500fips:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1600:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1000v5:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1100v5:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1200v5:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1500v5:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1600v5:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:vxag:-:*:*:*:*:*:*:* cpe:2.3:h:arraynetworks:ag1100:-:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/ Types: Press/Media Coverage
    Added Reference Type MITRE: https://www.jpcert.or.jp/at/2025/at250024.html Types: Third Party Advisory
    Added Reference Type MITRE: https://x.com/ArraySupport/status/1921373397533032590 Types: Third Party Advisory
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644 Types: US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Dec. 08, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66644
  • New CVE Received by [email protected]

    Dec. 05, 2025

    Action Type Old Value New Value
    Added Description Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-arrayos-ag-vpn-flaw-to-plant-webshells/
    Added Reference https://www.jpcert.or.jp/at/2025/at250024.html
    Added Reference https://x.com/ArraySupport/status/1921373397533032590
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact