CVE-2025-30650

HIGH EPSS 3.5%
Published Apr 8, 20262mo ago · Modified Jun 17, 20261w ago
8.4 CVSS 4.0
High
Find Similar
Published Apr 8, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:C/RE:M/U:Amber
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
3.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

References 2

  • github.com https://github.com/orangecertcc/security-research/security/advisories/GHSA-fwhc-gh5m-v8fq
  • kb.juniper.net https://kb.juniper.net/JSA107863

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.