What is CVE-2025-59778?

CVE-2025-59778 is a high-severity vulnerability in F5 F5os-C, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-10-15.

How severe is CVE-2025-59778?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-59778 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in F5 F5os-C

CVE-2025-59778

When the Allowed IP Addresses feature is configured on the F5OS-C partition control plane, undisclosed traffic can cause multiple containers to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Published 2025-10-15 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

F5 F5os-C
F5 F5os - Chassis — versions 1.8.0, 1.6.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

my.f5.com/manage/s/article/K000151718 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-59778?: CVE-2025-59778 is a high-severity vulnerability in F5 F5os-C, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-10-15.
How severe is CVE-2025-59778?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-59778 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.