#VU116939 Origin validation error in Juniper Junos OS - CVE-2025-59957

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Main Vulnerability Database Vulnerabilities #VU116939

#VU116939 Origin validation error in Juniper Junos OS - CVE-2025-59957

Published: October 13, 2025


Vulnerability identifier: #VU116939
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59957
CWE-ID: CWE-346
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to origin validation error error in an insufficient protected file. A local non-authenticated attacker can the device to create a backdoor which allows complete control of the system.


Remediation

Install updates from vendor's website.

External links