Incorrect permission assignment for critical resource in Junos OS - CVE-2025-30661
Published: July 18, 2025
Vulnerability identifier: #VU113051
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-30661
CWE-ID: CWE-732
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to incorrect permission assignment for critical resource error in line card script processing. A local user can install scripts to be executed as root, leading to privilege escalation.
Affected software
Junos OS
How to mitigate CVE-2025-30661
Install updates from vendor's website.
Junos OS - addressed in versions 23.4R2-S4, 24.2R2-S1, 24.4R1-S3, 24.4R2, 25.2R1