Array Networks ArrayOS AG OS Command Injection Vulnerability (CVE-2025-66644)
Severity: critical · Patch status: unknown · Since 2025-12-08 · CVE-2025-66644
Array Networks ArrayOS AG contains an OS command injection vulnerability that could allow an attacker to execute arbitrary commands. CISA added CVE-2025-66644 to its Known Exploited Vulnerabilities catalog on Dec 8, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Dec 29, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch