CVE-2025-30650

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.