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CVE-2025-30650— Junos OS: Privileged local user can gain access to a Linux-based FPC as root

Quick assessment

Affected
Juniper Networks Junos OS
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 Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS 22.4R3-S8之前版本、23.2R2-S6之前版本、23.4R2-S6之前版本、24.2R2-S3之前版本、24.4R2之前版本和25.2R2之前版本存在访问控制错误漏洞，该漏洞源于关键功能缺少身份验证，可能导致特权本地攻击者以root身份访问运行Jun

CVSS 6.7 · Medium EPSS 0.14% · P3
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I. Basic Information for CVE-2025-30650

Vulnerability Information
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Vulnerability Title
Junos OS: Privileged local user can gain access to a Linux-based FPC as root
Source: CVE Program / CVE List V5
Vulnerability Description
A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root. This issue affects systems running Junos OS using Linux-based line cards. Affected line cards include: * MPC7, MPC8, MPC9, MPC10, MPC11 * LC2101, LC2103 * LC480, LC4800, LC9600 * MX304 (built-in FPC) * MX-SPC3 * SRX5K-SPC3 * EX9200-40XS * FPC3-PTX-U2, FPC3-PTX-U3 * FPC3-SFF-PTX * LC1101, LC1102, LC1104, LC1105 This issue affects Junos OS:  * all versions before 22.4R3-S8,  * from 23.2 before 23.2R2-S6,  * from 23.4 before 23.4R2-S6,  * from 24.2 before 24.2R2-S3,  * from 24.4 before 24.4R2, * from 25.2 before 25.2R2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS 22.4R3-S8之前版本、23.2R2-S6之前版本、23.4R2-S6之前版本、24.2R2-S3之前版本、24.4R2之前版本和25.2R2之前版本存在访问控制错误漏洞，该漏洞源于关键功能缺少身份验证，可能导致特权本地攻击者以root身份访问运行Jun
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS 0 ~ 22.4R3-S8 -

II. Public POCs for CVE-2025-30650

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III. Intelligence Information for CVE-2025-30650

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Vendor Advisories for CVE-2025-30650 (3)

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-306