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CVE-2025-66644: Array Networks ArrayOS AG OS Command Injection Vulnerability

criticalknown exploitedCVE-2025-66644
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands.

CSIRTS triage

vendor: Array Networksproduct: ArrayOS AGCode injection
What
Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands.
Who is affected
Deployments of ArrayOS AG that are running the affected version.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Patch to the latest version of ArrayOS AG.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-12-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-66644

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-66644coverage & exploitation statusNVD · CVE.org

Recent advisories for Array Networks ArrayOS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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