When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection), undisclosed traffic can cause…

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 13, 2026 · NIST NVD

   Detected

   When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

2. Aug 24, 2026 · NIST NVD

   Updated

   When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

• cpe f5/big-ip access policy managerversion unspecified
• cpe f5/big-ip access policy manager21.0.0
• cpe f5/big-ip advanced firewall managerversion unspecified
• cpe f5/big-ip advanced web application firewallversion unspecified
• cpe f5/big-ip analyticsversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-39458

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-39458

  When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Techni

  nvd.nist.gov

References

• Mitigation · my.f5.com