Vulnerability · Published Apr 8, 2026 · Assigned by juniper
CVE-2025-30650Junos OS: Privileged local user can gain access to a Linux-based FPC as root
Medium 6.7
In plain English
A medium-severity missing authentication in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | 0 – before 22.4R3-S823.2 – before 23.2R2-S623.4 – before 23.4R2-S624.2 – before 24.2R2-S324.4 – before 24.4R225.2 – before 25.2R2 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-fwhc-gh5m-v8fq third-party-advisory
- https://kb.juniper.net/JSA107863 vendor-advisory