CVE-2025-30650

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

MEDIUM

6.7

CVSS Score

Published: April 8, 2026 at 05:26 PM UTC

Updated: August 26, 2026 at 05:11 PM UTC

22 products affected across 2 vendorsJunosEx9200Mx304

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

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 line cards running Junos OS Evolved 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

v ≤ 22.4v < 22.4R3-S823.2 ≤ v < 23.2R2-S623.4 ≤ v < 23.4R2-S624.2 ≤ v < 24.2R2-S324.4 ≤ v < 24.4R225.2 ≤ v < 25.2R222.4 r1 22.4 r1-s1 22.4 r1-s2 22.4 r2 22.4 r2-s1 22.4 r2-s2 22.4 r3 22.4 r3-s1 22.4 r3-s2 22.4 r3-s4 22.4 r3-s5 22.4 r3-s6 22.4 r3-s7 23.2 23.2 r1 23.2 r1-s1 23.2 r1-s2 23.2 r2 23.2 r2-s1 23.2 r2-s2 23.2 r2-s3 23.2 r2-s4 23.2 r2-s5 23.4 23.4 r1 23.4 r1-s1 23.4 r1-s2 23.4 r2 23.4 r2-s1 23.4 r2-s2 23.4 r2-s3 23.4 r2-s4 23.4 r2-s5 24.2 24.2 r1 24.2 r1-s1 24.2 r1-s2 24.2 r2 24.2 r2-s1 24.2 r2-s2 24.4 25.2 25.2 r1 25.2 r1-s1 25.2 r1-s2

Affected range stops below 22.4R3-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.2R2-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.4R2-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 24.2R2-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 24.4R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 25.2R2, so it looks safe — our inference, not a vendor statement

juniper-ex9200 (environment) · juniper-fpc3-ptx-u2 (environment) · juniper-fpc3-ptx-u3 (environment) · juniper-fpc3-sff-ptx (environment) · juniper-lc1101 (environment) · juniper-lc1102 (environment) · juniper-lc1104 (environment) · juniper-lc1105 (environment) · juniper-lc2101 (environment) · juniper-lc2103 (environment) · juniper-lc480 (environment) · juniper-lc4800 (environment) · juniper-lc9600 (environment) · juniper-mpc10 (environment) · juniper-mpc11 (environment) · juniper-mpc7e-10g (environment) · juniper-mpc8e (environment) · juniper-mpc9e (environment) · juniper-mx-spc3 (environment) · juniper-mx304 (environment) · juniper-srx5k-spc3 (environment)

Ex9200 · Juniperdevice

80%

All versions

Fpc3-Ptx-U2 · Juniperdevice

80%

All versions

Fpc3-Ptx-U3 · Juniperdevice

80%

All versions

Fpc3-Sff-Ptx · Juniperdevice

80%

All versions