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CVE-2025-21589— Session Smart Router, Session Smart Conductor, WAN Assurance Router: API Authentication Bypass vulnerability

Quick assessment

Affected
Juniper Networks Session Smart Router
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks Session Smart Conductor等都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Session Smart Conductor是一个广域网架构的集中管理和控制平台。Juniper Networks Session Smart Router是一个基于软件的智能网络技术。Juniper Networks WAN Assurance Managed Router是一个智能化网络管理平台。 Juniper Netw

CVSS 9.8 · Critical EPSS 1.57% · P74

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-21589

Vulnerability Information
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Vulnerability Title
Session Smart Router, Session Smart Conductor, WAN Assurance Router: API Authentication Bypass vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Session Smart Conductor等都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Session Smart Conductor是一个广域网架构的集中管理和控制平台。Juniper Networks Session Smart Router是一个基于软件的智能网络技术。Juniper Networks WAN Assurance Managed Router是一个智能化网络管理平台。 Juniper Netw
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Session Smart Router 5.6.7 ~ 5.6.17 -
Juniper Networks Session Smart Conductor 5.6.7 ~ 5.6.17 -
Juniper Networks WAN Assurance Managed Router 5.6.7 ~ 5.6.17 -

II. Public POCs for CVE-2025-21589

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III. Intelligence Information for CVE-2025-21589

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Vendor Advisories for CVE-2025-21589 (1)

IV. Related Vulnerabilities

Same product: Session Smart Router
Same vendor: Juniper Networks
Same weakness: CWE-288

V. Comments for CVE-2025-21589

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