HSB Lockup Vulnerability in Hardware Systems
CVE-2025-58153 Published on October 15, 2025
BIG-IP HSB vulnerability
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.
Vulnerability Analysis
CVE-2025-58153 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Improper Locking
The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Products Associated with CVE-2025-58153
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Affected Versions
F5 BIG-IP:- Version 17.5.0 and below 17.5.1 is affected.
- Version 17.1.0 and below * is unaffected.
- Version 16.1.0 and below 16.1.6.1 is affected.
- Version 15.1.0 and below 15.1.10.8 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.