CVE-2025-4041: Optigo Networks Ons NC600

Critical severity, CVSS 9.3. EPSS: 0.7% chance of exploitation in the next 30 days.

In Optigo Networks ONS NC600 versions 4.2.1-084 through 4.7.2-330, an attacker could connect with the device's ssh server and utilize the system's components to perform OS command executions.

Affected products

• Optigo Networks Ons NC600: from 4.2.1-084, up to and including 4.7.2-330

Published 2025-05-06. Last modified 2026-06-17.