CVE-2025-53521

Summary

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).  

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

VendorProductVersion RangeStatus
F5BIG-IP17.5.0 < 17.5.1.3affected
F5BIG-IP17.1.0 < 17.1.3affected
F5BIG-IP16.1.0 < 16.1.6.1affected
F5BIG-IP15.1.0 < 15.1.10.8affected

Weaknesses

  • CWE-121: CWE-121 Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: active
    • Automatable: yes
    • Technical Impact: total

Additional References

References