Medium severity · published Apr 8, 2026
CVE-2025-30650
Junos OS: Privileged local user can gain access to a Linux-based FPC as root
6.7
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS · Juniper
before 22.4R3-S8; 23.2 before 23.2R2-S6; 23.4 before 23.4R2-S6; 24.2 before 24.2R2-S3; 24.4 before 24.4R2; 25.2 before 25.2R2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30650
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30650
Third Party Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-fwhc-gh5m-v8fq
Vendor Advisory
https://kb.juniper.net/JSA107863
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