CVE-2025-70521: x7a: Fanvil x7a: Arbitrary code execution via improper input handling in diagnostic ping tool

Severity: Critical

CVSS Score: 9.8

The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied input securely. The lack of secure user input handling allows any unauthenticated attacker to inject commands and run code in the underlying Android operating system.