CVE-2025-22457: Ivanti Connect Secure VPN Vulnerable to Zero-Day RCE Exploitation
On April 3, 2025, Ivanti disclosed a critical zero-day vulnerability, CVE-2025-22457, affecting Ivanti Connect Secure, Policy Secure, and ZTA Gateways. This stack-based buffer overflow allows remote unauthenticated threat actors to achieve remote code execution (RCE) and has been exploited in the wild. At the time of writing, exploitation has only been observed in Connect Secure, not Policy Secure or ZTA Gateway.