# CVE-2025-30659

## Summary

- **CVE ID:** CVE-2025-30659
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M)
- **CWE:** CWE-130
- **Published:** Apr 9, 2025
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- Juniper Networks — Junos OS (21.4R1)
- Juniper Networks — Junos OS (22.2)
- Juniper Networks — Junos OS (22.4)
- Juniper Networks — Junos OS (23.2)
- Juniper Networks — Junos OS (23.4)
- Juniper Networks — Junos OS (24.2)

## References

- [CNA](https://supportportal.juniper.net/JSA96470)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._