Vulnerability in F5 Big-ip

CVE-2025-58153

Under undisclosed traffic conditions along with conditions beyond the attacker's control, hardware systems with a High-Speed Bridge (HSB) may experience a lockup of the HSB.  Note: Software versions which have reached End of Technical Sup…

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-58153?
CVE-2025-58153 is a medium-severity vulnerability in F5 Big-ip, classified under Improper Locking. CVSS score: 5.9/10. Published 2025-10-15.
How severe is CVE-2025-58153?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2025-58153 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.