BIG-IP
CVE-2025-22891: BIG-IP PEM Vulnerability
When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| BIG-IP 17.1 | 17.1.2 or later |
| BIG-IP 16.1 | 16.1.5 or later |
| BIG-IP 15.1 | HotfixBIGIP-15.1.10.6.0.11.6-ENG.iso or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.