CVE-2025-46405 BIG-IP APM vulnerability
Attackers can cause a denial of service by sending undisclosed traffic to BIG-IP APM virtual servers with Network Access 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-2025-46405?
CVE-2025-46405 is a high-severity memory corruption vulnerability in F5 Big-Ip Access Policy Manager, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When Network Access is configured on a BIG-IP APM virtual server, 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-121
Which versions are affected by CVE-2025-46405?
It affects 1 product.
Products include F5 Big-Ip Access Policy Manager.
How do I fix CVE-2025-46405?
No fix has been published for CVE-2025-46405 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-2025-46405 being exploited?
There is no known exploitation of CVE-2025-46405 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Access Policy Manager
- CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass
- CVE-2022-1388 F5 BIG-IP Missing Authentication
- CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution
- CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution
Sources
Also known as GHSA-38wv-xxqw-6v4w.