CVE-2025-66644
Actively exploited. CVE-2025-66644 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-12-08) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands.
CSIRTS triage
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 86% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2025-66644: Array Networks ArrayOS AG OS Command Injection Vulnerabilitycisa-kev · 2025-12-08
External references
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