Fortinet Patches Critical Zero-Day Vulnerability in FortiVoice Systems

Fortinet has addressed a critical zero-day vulnerability involving remote code execution, which is being actively exploited in attacks targeting FortiVoice enterprise telephone systems. The flaw, listed under the number CVE-2025-32756, is a stack overflow issue affecting FortiVoice, FortiMail, and FortiNDR. Fortinet has released security updates to resolve this vulnerability.