Cyber Resilience

CVE-2025-61974

High

Published: 15 October 2025

Published
15 October 2025
Modified
21 October 2025
KEV Added
—
Patch
—
CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0009 25.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-61974 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in F5 Big-Ip Next Cloud-Native Network Functions. Its CVSS base score is 8.7 (High).

Operationally, ranked at the 25.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

When a client SSL 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.

CWE(s)
CWE-401

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f5
big-ip next cloud-native network functions
1.1.0 — 1.4.1 · 2.0.0 — 2.1.0
f5
big-ip next for kubernetes
2.0.0, 2.1.0
f5
big-ip next service proxy for kubernetes
1.7.0 — 1.9.2 · 2.0.0 — 2.0.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References