Incorrect permission assignment for critical resource in Junos OS Evolved and Juniper Junos OS - CVE-2025-59961
Published: January 20, 2026
Vulnerability identifier: #VU121681
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-59961
CWE-ID: CWE-732
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Detailed vulnerability description
The vulnerability allows a local user to manipulate data.
The vulnerability exists due to incorrect permission assignment for critical resource error in the Juniper DHCP daemon (jdhcpd). A local user can write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the resource.
How to mitigate CVE-2025-59961
Install updates from vendor's website.