CVE-2025-55036 BIG-IP SSL Orchestrator vulnerability
Attackers can trigger memory corruption in BIG-IP SSL Orchestrator when explicit forward proxy and proxy connect are enabled, potentially leading to code execution or denial of service.
- 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-2025-55036?
CVE-2025-55036 is a high-severity memory corruption vulnerability in F5 Big-Ip Ssl Orchestrator, 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 BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness: CWE-787
Which versions are affected by CVE-2025-55036?
It affects 1 product.
Products include F5 Big-Ip Ssl Orchestrator.
How do I fix CVE-2025-55036?
No fix has been published for CVE-2025-55036 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-2025-55036 being exploited?
There is no known exploitation of CVE-2025-55036 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Ssl Orchestrator
Sources
Also known as GHSA-5w8q-m8cq-gcqq.