Home/CVE/When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can
CVE

CVE-2025-54805

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can

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.

MEDIUM · CVSS 6.5 EPSS 0.00087
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

3
f5 big-ip next cloud-native network functions>= 1.1.0 and <= 1.4.1
f5 big-ip next for kubernetesall versions
f5 big-ip next service proxy for kubernetes>= 1.7.0 and <= 1.9.2
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Oct 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://my.f5.com/manage/s/article/K000151596Vendor Advisory
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