CVE-2025-52952
MEDIUMDescription
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.
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CVSS v3.1 Score
Weakness Type (CWE)
Affected Products
| Vendor | Product |
|---|---|
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | junos |
| juniper | 2x100ge_\+_4x10ge_mpc5e |
| juniper | 2x100ge_\+_4x10ge_mpc5eq |
| juniper | 2x100ge_\+_8x10ge_mpc4e |
| juniper | 32x10ge_mpc4e |
| juniper | 6x40ge_\+_24x10ge_mpc5e |
| juniper | 6x40ge_\+_24x10ge_mpc5eq |
| juniper | mpc1 |
| juniper | mpc1_q |
| juniper | mpc1e |
| juniper | mpc1e_q |
| juniper | mpc2 |
| juniper | mpc2_eq |
| juniper | mpc2_q |
| juniper | mpc2e |
| juniper | mpc2e_eq |
| juniper | mpc2e_ng |
| juniper | mpc2e_ng_q |
| juniper | mpc2e_p |
| juniper | mpc2e_q |
| juniper | mpc3e |
| juniper | mpc3e-3d-ng |
| juniper | mpc3e-3d-ng-q |
| juniper | mpc6e |
| juniper | mpc7e-10g |
| juniper | mpc7e-mrate |
| juniper | mpc8e |
| juniper | mpc9e |
| juniper | mx2008 |
| juniper | mx2010 |
| juniper | mx2020 |
| juniper | mx240 |
| juniper | mx480 |
| juniper | mx960 |
References
Advisories & Patches
Frequently Asked Questions
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