CVE-2025-21589 (CVSS 9.8): Critical Authentication Bypass Flaw in Juniper Session Smart Routers Vulnerability CVE-2025-21589 (CVSS 9.8): Critical Authentication Bypass Flaw in Juniper Session Smart Routers Do Son February 17, 2025 0 Discover how CVE-2025-21589 affects Juniper Networks' Session Smart Router and WAN Assurance Managed Router.