Juniper Junos OS up to 24.4R1-S3/24.4R1 on SRX4700 Packet Forwarding Engine uninitialized resource

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Juniper Junos OS up to 24.4R1-S3/24.4R1 on SRX4700. It has been rated as critical. Affected is an unknown function of the component Packet Forwarding Engine. This manipulation causes uninitialized resource. This vulnerability appears as CVE-2025-59964. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Juniper Junos OS up to 24.4R1-S3/24.4R1 on SRX4700. It has been declared as critical. Affected by this vulnerability is an unknown function of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a uninitialized resource vulnerability. The CWE definition for the vulnerability is CWE-908. The product uses or accesses a resource that has not been initialized. As an impact it is known to affect availability. The summary by CVE is:

A Use of Uninitialized Resource vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX4700 devices allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When forwarding-options sampling is enabled, receipt of any traffic destined to the Routing Engine (RE) by the PFE line card leads to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of any traffic leading to the RE by the PFE line card will create a sustained Denial of Service (DoS) condition to the PFE line card. This issue affects Junos OS on SRX4700:  * from 24.4 before 24.4R1-S3, 24.4R2 This issue affects IPv4 and IPv6.

The advisory is shared at supportportal.juniper.net. This vulnerability is known as CVE-2025-59964 since 09/23/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 271396 (Juniper Junos OS Vulnerability (JSA103153)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 24.4R1-S3 or 24.4R2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (271396) and CERT Bund (WID-SEC-2025-2238). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Juniper JUNOS

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (juniper): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 271396
Nessus Name: Juniper Junos OS Vulnerability (JSA103153)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Junos OS 24.4R1-S3/24.4R2

Timelineinfo

09/23/2025 CVE reserved
10/09/2025 +16 days Advisory disclosed
10/09/2025 +0 days VulDB entry created
10/25/2025 +16 days VulDB entry last update

Sourcesinfo

Vendor: juniper.net

Advisory: JSA103153
Status: Confirmed

CVE: CVE-2025-59964 (🔒)
GCVE (CVE): GCVE-0-2025-59964
GCVE (VulDB): GCVE-100-327733
CERT Bund: WID-SEC-2025-2238 - Juniper JUNOS OS, Space, OS Evolved: Mehrere Schwachstellen

Entryinfo

Created: 10/09/2025 18:38
Updated: 10/25/2025 04:33
Changes: 10/09/2025 18:38 (83), 10/09/2025 20:05 (7), 10/25/2025 04:33 (2)
Complete: 🔍
Cache ID: 216::103

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