Resource exhaustion in Junos OS Evolved - CVE-2025-52961
Published: October 13, 2025
Vulnerability identifier: #VU116940
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-52961
CWE-ID: CWE-400
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved
Junos OS Evolved
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper control for consumption of internal resources in the Connectivity Fault Management (CFM) daemon and the Connectivity Fault Management Manager (cfmman). A remote attacker on the local network can trigger resource exhaustion by sending specialy crafted traffic and perform a denial of service (DoS) attack.
The vulnerability affects the following platforms: PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016.
How to mitigate CVE-2025-52961
Install updates from vendor's website.