FortiVoice is a communication system provided by Fortinet for enterprises, integrating functions such as voice calls, conferencing, chat, and fax, supporting hybrid and remote work environments. Recently, Fortinet issued a major security vulnerability advisory (CVE-2025-58692, CVSS: 8.8). This vulnerability is an SQL injection vulnerability that allows an authenticated attacker to execute unauthorized code or commands through specially crafted HTTP or HTTPS requests.