CVE-2025-58120 BIG-IP Next (CNF, SPK, and Kubernetes) vulnerability
Attackers can cause a denial of service by triggering a null dereference in the Traffic Management Microkernel when HTTP/2 Ingress is enabled.
- 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-2025-58120?
CVE-2025-58120 is a high-severity vulnerability in F5 BIG-IP Next CNF, 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 HTTP/2 Ingress is configured, 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.
Weakness: CWE-476
Which versions are affected by CVE-2025-58120?
It affects 3 products.
Products include F5 Big-Ip Next Cloud-Native Network Functions, F5 Big-Ip Next for Kubernetes, F5 Big-Ip Next Service Proxy for Kubernetes.
How do I fix CVE-2025-58120?
No fix has been published for CVE-2025-58120 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-58120 being exploited?
There is no known exploitation of CVE-2025-58120 in the wild and no public exploit code.
Other vulnerabilities in F5 BIG-IP Next CNF
Sources
Also known as GHSA-jg4r-5fpx-73gm.