CVE-2025-21589

Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker to bypass authentication and take administrative control of the device. This issue affects Session Smart Router: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects Session Smart Conductor: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects WAN Assurance Managed Routers: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2.

PUBLISHED Reserved 2024-12-26 | Published 2026-01-27 | Updated 2026-01-27 | Assigner juniper

Problem types

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Product status

References

supportportal.juniper.net/ vendor-advisory

support.juniper.net/support/eol/software/ssr/ related

kb.juniper.net/JSA94663 vendor-advisory

cve.org (CVE-2025-21589)

nvd.nist.gov (CVE-2025-21589)

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