vulnerability
Juniper Junos OS: 2025-04 Security Bulletin: Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic (JSA96470) (CVE-2025-30659)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | 04/09/2025 | 04/10/2025 | 04/11/2025 |
Description
An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
When a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.
This issue affects Junos OS on SRX Series:
* All 21.4 versions,
* 22.2 versions before 22.2R3-S6,
* 22.4 versions before 22.4R3-S6,
* 23.2 versions before 23.2R2-S3,
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2.
This issue does not affect versions before 21.4.
Solution
Explore Exposure Command
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