🛡️ CVE-2025-30659 — junos

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-130 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

CVE-2025-30659 is recorded against 1 package.

  • junos

Timeline and source

Published on 9 April 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

supportportal.juniper.net

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-130
Public Exploit ✅ No
Source NVD
Published 2025-04-09
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
junos — —

References

Similar Threats

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