CVE-2025-52953— Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset
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和Juniper Networks Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是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 Evolved是Junos OS 的升级版系统。 Juniper Networks Junos OS和Juniper Network
Possible ATT&CK Techniques 2 AI
T1210 · Exploitation of Remote Services T1498.001 · Direct Network Flood
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I. Basic Information for CVE-2025-52953
Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset
Source: CVE Program / CVE List V5
Vulnerability Description
An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, resulting in a Denial of Service (DoS).
Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.
This issue affects iBGP and eBGP and both IPv4 and IPv6 are affected by this vulnerability.
This issue affects Junos OS:
* All versions before 21.2R3-S9,
* from 21.4 before 21.4R3-S11,
* from 22.2 before 22.2R3-S7,
* from 22.4 before 22.4R3-S7,
* from 23.2 before 23.2R2-S4,
* from 23.4 before 23.4R2-S4,
* from 24.2 before 24.2R2,
* from 24.4 before 24.4R1-S3, 24.4R2
Junos OS Evolved:
* All versions before 22.2R3-S7-EVO,
* from 22.4-EVO before 22.4R3-S7-EVO,
* from 23.2-EVO before 23.2R2-S4-EVO,
* from 23.4-EVO before 23.4R2-S4-EVO,
* from 24.2-EVO before 24.2R2-EVO,
* from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
预期行为违背
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是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 Evolved是Junos OS 的升级版系统。 Juniper Networks Junos OS和Juniper Network
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 ~ 21.2R3-S9 | - |
|
| Juniper Networks | Junos OS Evolved | 0 ~ 22.2R3-S7-EVO | - |
|
II. Public POCs for CVE-2025-52953
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-52953 (1)
Same Patch Batch · Juniper Networks · 2025-07-11 · 24 CVEs total
| CVE-2025-52950 | 9.6 CRITICAL | Juniper Security Director: Insufficient authorization for multiple endpoints in web interf |
| CVE-2025-52954 | 7.8 HIGH | Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify th |
| CVE-2025-52946 | 7.5 HIGH | Junos OS and Junos OS Evolved: With traceoptions enabled, receipt of malformed AS PATH cau |
| CVE-2025-52981 | 7.5 HIGH | Junos OS: SRX Series: Sequence of specific PIM packets causes a flowd crash |
| CVE-2025-52980 | 7.5 HIGH | Junos OS: SRX300 Series: rpd will crash upon receiving a specific, valid BGP UPDATE messag |
| CVE-2025-30661 | 7.3 HIGH | Junos OS: Low-privileged user can cause script to run as root, leading to privilege escala |
| CVE-2025-52983 | 7.2 HIGH | Junos OS: After removing ssh public key authentication root can still log in |
| CVE-2025-52988 | 6.7 MEDIUM | Junos OS and Junos OS Evolved: Privilege escalation to root via CLI command 'request syste |
| CVE-2025-6549 | 6.5 MEDIUM | Junos OS: SRX Series: J-Web can be exposed on additional interfaces |
| CVE-2025-52947 | 6.5 MEDIUM | Junos OS: ACX Series: When 'hot-standby' mode is configured for an L2 circuit, interface f |
| CVE-2025-52949 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: In an EVPN environment, receipt of specifically malformed B |
| CVE-2025-52955 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: When jflow/sflow is configured continuous logical interface |
| CVE-2025-52952 | 6.5 MEDIUM | Junos OS: MX Series with MPC-BUILTIN, MPC 1 through MPC 9: Receipt and processing of a mal |
| CVE-2025-52964 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on dev |
| CVE-2025-52982 | 5.9 MEDIUM | Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash |
| CVE-2025-52984 | 5.9 MEDIUM | Junos OS and Junos OS Evolved: When a static route points to a reject next-hop and a gNMI |
| CVE-2025-52948 | 5.9 MEDIUM | Junos OS: Specific unknown traffic pattern causes FPC and system to crash when packet capt |
| CVE-2025-52951 | 5.8 MEDIUM | Junos OS: IPv6 firewall filter fails to match payload-protocol |
| CVE-2025-52963 | 5.5 MEDIUM | Junos OS: A low-privileged user can disable an interface |
| CVE-2025-52986 | 5.5 MEDIUM | Junos OS and Junos OS Evolved: When RIB sharding is configured each time a show command is |
Showing top 20 of 24 CVEs. View all on vendor page → →
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