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 Support (EoTS) are not evaluated.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- F5 Big-Ip — versions 17.5.0, 17.1.0, 16.1.0
- F5 Big-Ip Access Policy Manager — versions 17.5.0
- F5 Big-Ip Advanced Firewall Manager — versions 17.5.0
- F5 Big-Ip Advanced Web Application Firewall — versions 17.5.0
- F5 Big-Ip Analytics — versions 17.5.0
- F5 Big-Ip Application Acceleration Manager — versions 17.5.0
- F5 Big-Ip Application Security Manager — versions 17.5.0
- F5 Big-Ip Application Visibility And Reporting — versions 17.5.0
- F5 Big-Ip Automation Toolchain — versions 17.5.0
- F5 Big-Ip Carrier-Grade Nat — versions 17.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- my.f5.com/manage/s/article/K000151658 (vendor-advisory, Vendor Advisory)
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.