CVE-2025-54479 BIG-IP PEM vulnerability
Attackers can cause a denial of service by sending undisclosed requests to a BIG-IP virtual server with a specific classification profile configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-54479?
CVE-2025-54479 is a high-severity memory corruption vulnerability in F5 Big-Ip Policy Enforcement Manager, published on 15 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness: CWE-787
Which versions are affected by CVE-2025-54479?
It affects 3 products.
Products include F5 Big-Ip Next Cloud-Native Network Functions, F5 Big-Ip Next for Kubernetes, F5 Big-Ip Policy Enforcement Manager.
How do I fix CVE-2025-54479?
No fix has been published for CVE-2025-54479 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-54479 being exploited?
There is no known exploitation of CVE-2025-54479 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Policy Enforcement Manager
Sources
Also known as GHSA-c2h5-9wrr-3f73.