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CVE-2025-52960— Junos OS: SRX Series and MX Series: Receipt of specific SIP packets in a high utilization situation causes a flowd/mspmand crash

Quick assessment

Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS on SRX Series和MX Series 22.4R3-S7之前版本、23.2版本至23.2R2-S4之前版本、23.4版本至23.4R2-S5之前版本和24.2版本至24.2R2之前版本存在安全漏洞，该漏洞源于会话初始化协议组件未检查输入大小，可能导

CVSS 5.9 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-52960

Vulnerability Information
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Vulnerability Title
Junos OS: SRX Series and MX Series: Receipt of specific SIP packets in a high utilization situation causes a flowd/mspmand crash
Source: CVE Program / CVE List V5
Vulnerability Description
A Buffer Copy without Checking Size of Input vulnerability in the Session Initialization Protocol (SIP) ALG of Juniper Networks Junos OS on MX Series and SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When memory utilization is high, and specific SIP packets are received, flowd/mspmand crashes. While the system recovers automatically, the disruption can significantly impact service stability. Continuous receipt of these specific SIP packets, while high utilization is present, will cause a sustained DoS condition. The utilization is outside the attackers control, so they would not be able to deterministically exploit this. This issue affects Junos OS on SRX Series and MX Series:  * All versions before 22.4R3-S7, * from 23.2 before 23.2R2-S4, * from 23.4 before 23.4R2-S5, * from 24.2 before 24.2R2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS on SRX Series和MX Series 22.4R3-S7之前版本、23.2版本至23.2R2-S4之前版本、23.4版本至23.4R2-S5之前版本和24.2版本至24.2R2之前版本存在安全漏洞，该漏洞源于会话初始化协议组件未检查输入大小，可能导
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS 0 ~ 22.4R3-S7 -

II. Public POCs for CVE-2025-52960

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III. Intelligence Information for CVE-2025-52960

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Same Patch Batch · Juniper Networks · 2025-10-09 · 40 CVEs total

CVE-2025-59978 9.0 CRITICAL Junos Space: Stored cross-site scripting vulnerability in web application
CVE-2025-59968 8.6 HIGH Junos Space Security Director: Insufficient authorization for sensitive resources in web i
CVE-2025-59974 8.4 HIGH Junos Space Security Director: Persistent Cross-Site Scripting (XSS) vulnerability
CVE-2025-59975 7.5 HIGH Junos Space: Flooding device with inbound API calls leads to WebUI and CLI management acce
CVE-2025-60004 7.5 HIGH Junos OS and Junos OS Evolved: Specific BGP EVPN update message causes rpd crash
CVE-2025-59964 7.5 HIGH Junos OS: SRX4700: When forwarding-options sampling is enabled any traffic destined to the
CVE-2025-11198 7.4 HIGH Security Director Policy Enforcer: An unrestricted API allows a network-based unauthentica
CVE-2025-59957 6.8 MEDIUM Junos OS: EX4600 Series and QFX5000 Series: An attacker with physical access can open a pe
CVE-2025-59967 6.5 MEDIUM Junos OS Evolved: ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509: When spe
CVE-2025-59958 6.5 MEDIUM Junos OS Evolved: PTX Series: When a firewall filter rejects traffic these packets are err
CVE-2025-52961 6.5 MEDIUM Junos OS Evolved: PTX Series except PTX10003: An unauthenticated adjacent attacker sending
CVE-2025-59976 6.5 MEDIUM Junos Space: Arbitrary file download vulnerability in web interface
CVE-2025-59980 6.5 MEDIUM Junos OS: When a user with the name ftp or anonymous is configured unauthenticated filesys
CVE-2025-59987 6.1 MEDIUM Junos Space: The arbitrary device search field is vulnerable to reflected cross-site scrip
CVE-2025-59981 6.1 MEDIUM Junos Space: Device Template Definition page is vulnerable to reflected cross-site script
CVE-2025-59982 6.1 MEDIUM Junos Space: Dashboard Search field is vulnerable to reflected cross-site script injection
CVE-2025-59983 6.1 MEDIUM Junos Space: Template Definition page is vulnerable to reflected cross-site script injecti
CVE-2025-59984 6.1 MEDIUM Junos Space: Global Search is vulnerable to reflected cross-site script injection
CVE-2025-59985 6.1 MEDIUM Junos Space: Purging Policy field is vulnerable to reflected cross-site script injection
CVE-2025-59986 6.1 MEDIUM Junos Space: Input fields in Model Devices are vulnerable to reflected cross-site script i

Showing top 20 of 40 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-120

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