F5 BIG-IP Next SPK Traffic Management Microkernel denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in F5 BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes. Impacted is an unknown function of the component Traffic Management Microkernel. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2025-58120. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability, which was classified as problematic, was found in F5 BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes (the affected version unknown). Affected is an unknown part of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:
When HTTP/2 Ingress is configured, 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 available at my.f5.com. This vulnerability is traded as CVE-2025-58120. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://f5.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
10/15/2025 Advisory disclosed10/15/2025 VulDB entry created
10/17/2025 VulDB entry last update
Sources
Vendor: f5.comAdvisory: K000156623
Status: Confirmed
CVE: CVE-2025-58120 (🔒)
GCVE (CVE): GCVE-0-2025-58120
GCVE (VulDB): GCVE-100-328674
Entry
Created: 10/15/2025 16:01Updated: 10/17/2025 03:03
Changes: 10/15/2025 16:01 (52), 10/17/2025 03:03 (24)
Complete: 🔍
Cache ID: 216:F1E:103
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