Juniper Networks has released security updates to address a critical security flaw impacting Session Smart Router, Session Smart Conductor, and WAN Assurance Router products that could be exploited to hijack control of susceptible devices.
Tracked as CVE-2025-21589, the vulnerability carries a CVSS v3.1 score of 9.8 and a CVS v4 score of 9.3.
« An Authentication Bypass Using an Alternate Path or

Juniper Networks has released security updates to address a critical security flaw impacting Session Smart Router, Session Smart Conductor, and WAN Assurance Router products that could be exploited to hijack control of susceptible devices.
Tracked as CVE-2025-21589, the vulnerability carries a CVSS v3.1 score of 9.8 and a CVS v4 score of 9.3.
« An Authentication Bypass Using an Alternate Path or