F5 BIG-IP Next/BIG-IP Next SPK/BIG-IP Next CNF/BIG-IP Control Transmission Protocol denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP Next, BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP. It has been rated as problematic. The affected element is an unknown function of the component Control Transmission Protocol. This manipulation causes denial of service. This vulnerability is handled as CVE-2025-41399. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in F5 BIG-IP Next, BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Control Transmission Protocol. 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 a Stream Control Transmission Protocol (SCTP) profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. 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-2025-41399 since 04/23/2025. The exploitation appears to be difficult. 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 235473 (F5 Networks BIG-IP : SCTP vulnerability (K000137709)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (235473). Be aware that VulDB is the high quality source for vulnerability data.

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: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: 235473
Nessus Name: F5 Networks BIG-IP : SCTP vulnerability (K000137709)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/23/2025 🔍
05/07/2025 +14 days 🔍
05/07/2025 +0 days 🔍
10/22/2025 +168 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K000137709
Status: Confirmed

CVE: CVE-2025-41399 (🔍)
GCVE (CVE): GCVE-0-2025-41399
GCVE (VulDB): GCVE-100-307951

Entryinfo

Created: 05/07/2025 20:30
Updated: 10/22/2025 02:50
Changes: 05/07/2025 20:30 (53), 05/08/2025 18:36 (2), 10/22/2025 02:50 (25)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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