cvedb.io
CVE-2025-52952
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2025-07-11T15:15:25.930 · Last modified 2026-06-17T09:37:19.537

Summary

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.

Affected products

juniper — junos

Does this affect you?

Add your gear to cvedb and we'll alert you only when juniper ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.