PT-2025-15866 · Juniper Networks · Junos

Published

2025-04-09

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Updated

2025-04-10

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CVE-2025-30659

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X
Name of the Vulnerable Software and Affected Versions: Junos OS versions 21.4 through 24.2R2, specifically: Junos OS versions 21.4 Junos OS versions 22.2 before 22.2R3-S6 Junos OS versions 22.4 before 22.4R3-S6 Junos OS versions 23.2 before 23.2R2-S3 Junos OS versions 23.4 before 23.4R2-S4 Junos OS versions 24.2 before 24.2R2
Description: An Improper Handling of Length Parameter Inconsistency issue 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.
Recommendations: For Junos OS versions 21.4, update to a version after 21.4. For Junos OS versions 22.2 before 22.2R3-S6, update to 22.2R3-S6 or later. For Junos OS versions 22.4 before 22.4R3-S6, update to 22.4R3-S6 or later. For Junos OS versions 23.2 before 23.2R2-S3, update to 23.2R2-S3 or later. For Junos OS versions 23.4 before 23.4R2-S4, update to 23.4R2-S4 or later. For Junos OS versions 24.2 before 24.2R2, update to 24.2R2 or later.

Fix

DoS

Weakness Enumeration

CWE-130

Related Identifiers

BDU:2025-05190
CVE-2025-30659

Affected Products

Junos