SB2025041478 - Improper handling of length parameter inconsistency in Juniper Junos OS



SB2025041478 - Improper handling of length parameter inconsistency in Juniper Junos OS

Published: April 14, 2025

Security Bulletin ID SB2025041478
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper handling of length parameter inconsistency (CVE-ID: CVE-2025-30659)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of length parameter inconsistency error in the Packet Forwarding Engine (PFE). A remote non-authenticated attacker can 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.


Remediation

Install update from vendor's website.