VDB-328663 · CVE-2025-58071 · K000156746

F5 BIG-IP Next CNF/BIG-IP Next for Kubernetes/BIG-IP IPsec denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in F5 BIG-IP Next CNF, BIG-IP Next for Kubernetes and BIG-IP. Impacted is an unknown function of the component IPsec. This manipulation causes denial of service. This vulnerability appears as CVE-2025-58071. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in F5 BIG-IP Next CNF, BIG-IP Next for Kubernetes and BIG-IP (version now known). Affected by this vulnerability is some unknown processing of the component IPsec. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

When IPsec is configured on the BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

It is possible to read the advisory at my.f5.com. This vulnerability is known as CVE-2025-58071. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 270615 (F5 Networks BIG-IP : BIG-IP IPsec vulnerability (K000156746)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (270615) and CERT Bund (WID-SEC-2025-2308). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

F5 BIG-IP

Productinfo

Type

Firewall Software

Vendor

Name

License

commercial

Website

Vendor: https://f5.com/

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: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 270615
Nessus Name: F5 Networks BIG-IP : BIG-IP IPsec vulnerability (K000156746)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/15/2025 Advisory disclosed
10/15/2025 +0 days VulDB entry created
10/17/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000156746
Status: Confirmed

CVE: CVE-2025-58071 (🔒)
GCVE (CVE): GCVE-0-2025-58071
GCVE (VulDB): GCVE-100-328663
CERT Bund: WID-SEC-2025-2308 - F5 BIG-IP: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/15/2025 15:46
Updated: 10/17/2025 03:03
Changes: 10/15/2025 15:46 (52), 10/15/2025 22:04 (7), 10/16/2025 15:28 (2), 10/17/2025 03:03 (23)
Complete: 🔍
Cache ID: 216:3CF:103