Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.
This issue affects Juniper Networks:
Junos OS:
* All versions before 22.2R3-S1,
* from 22.4 before 22.4R2.
This feature is not enabled by default.
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-21157 | An Out-of-bounds Write vulnerability in the connectivity fault management (CFM) daemon of Juniper Networks Junos OS on MX Series with MPC-BUILTIN, MPC1 through MPC9 line cards allows an unauthenticated adjacent attacker to send a malformed packet to the device, leading to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks: Junos OS: * All versions before 22.2R3-S1, * from 22.4 before 22.4R2. This feature is not enabled by default. |
Solution
The following software releases have been updated to resolve these issues: Junos OS: 22.2R3-S1, 22.4R2, 23.2R1, and all subsequent releases.
Workaround
There are no known workarounds for this issue.
Sat, 12 Jul 2025 13:45:00 +0000
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| Metrics |
epss
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Fri, 11 Jul 2025 20:15:00 +0000
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| Metrics |
ssvc
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Fri, 11 Jul 2025 15:15:00 +0000
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| Description | An Out-of-bounds Write vulnerability in the connectivity fault management (CFM) daemon of Juniper Networks Junos OS on MX Series with MPC-BUILTIN, MPC1 through MPC9 line cards allows an unauthenticated adjacent attacker to send a malformed packet to the device, leading to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks: Junos OS: * All versions before 22.2R3-S1, * from 22.4 before 22.4R2. This feature is not enabled by default. | |
| Title | Junos OS: MX Series with MPC-BUILTIN, MPC 1 through MPC 9: Receipt and processing of a malformed packet causes one or more FPCs to crash | |
| Weaknesses | CWE-787 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2025-07-11T20:10:52.673Z
Reserved: 2025-06-23T13:16:01.409Z
Link: CVE-2025-52952
Updated: 2025-07-11T20:10:48.637Z
Status : Awaiting Analysis
Published: 2025-07-11T15:15:25.930
Modified: 2025-07-15T13:14:49.980
Link: CVE-2025-52952
No data.
OpenCVE Enrichment
Updated: 2025-07-12T23:05:32Z
EUVD