F5 BIG-IP/BIG-IP Next SPK prior 16.1.5/17.1.2 Traffic Management Microkernel denial of service

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP and BIG-IP Next SPK. Affected by this issue is some unknown functionality of the component Traffic Management Microkernel. This manipulation causes denial of service. This vulnerability is tracked as CVE-2025-22846. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP and BIG-IP Next SPK. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Traffic Management Microkernel. 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 SIP Session and Router ALG profiles are configured on a Message Routing type virtual server, 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.

The advisory is shared at my.f5.com. This vulnerability is known as CVE-2025-22846 since 01/22/2025. 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. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 215018 (F5 Networks BIG-IP : BIG-IP SIP ALG vulnerability (K000139780)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 16.1.5 or 17.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (215018). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 215018
Nessus Name: F5 Networks BIG-IP : BIG-IP SIP ALG vulnerability (K000139780)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP/BIG-IP Next SPK 16.1.5/17.1.2

Timelineinfo

01/22/2025 🔍
02/05/2025 +14 days 🔍
02/05/2025 +0 days 🔍
09/10/2025 +217 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K000139780
Status: Confirmed

CVE: CVE-2025-22846 (🔍)
GCVE (CVE): GCVE-0-2025-22846
GCVE (VulDB): GCVE-100-294757

Entryinfo

Created: 02/05/2025 18:50
Updated: 09/10/2025 18:47
Changes: 02/05/2025 18:50 (76), 02/06/2025 00:03 (2), 09/10/2025 18:47 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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