Improper resource shutdown or release in Junos OS - CVE-2025-52982
Published: July 18, 2025
Vulnerability identifier: #VU113060
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-52982
CWE-ID: CWE-404
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource shutdown or release error in the SIP ALG. A remote non-authenticated attacker can cause a Denial-of-Service (DoS).
When an MX Series device with an MS-MPC is configured with 2 or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.
Affected software
Junos OS
How to mitigate CVE-2025-52982
Install updates from vendor's website.
Junos OS - addressed in versions 21.2R3-S9, 22.2R3-S6, 22.4R3-S6