F5 BIG-IP Next SPK Declarative API memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in F5 BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes. Affected is an unknown function of the component Declarative API. Executing a manipulation can lead to memory leak. This vulnerability is registered as CVE-2025-54805. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in F5 BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes (unknown version). This vulnerability affects an unknown code block of the component Declarative API. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can cause an increase in the Traffic Management Microkernel (TMM) memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The advisory is available at my.f5.com. This vulnerability was named CVE-2025-54805 since 10/04/2025. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit 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: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/04/2025 CVE reserved
10/15/2025 +11 days Advisory disclosed
10/15/2025 +0 days VulDB entry created
10/15/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000151596
Status: Confirmed

CVE: CVE-2025-54805 (🔒)
GCVE (CVE): GCVE-0-2025-54805
GCVE (VulDB): GCVE-100-328690

Entryinfo

Created: 10/15/2025 16:16
Changes: 10/15/2025 16:16 (75)
Complete: 🔍
Cache ID: 216:9B4:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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