CVE-2025-12659 Heap-based buffer overflow in Siemens Simcenter Femap
An attacker can execute arbitrary code by tricking a user into opening a specially crafted IPT file in Siemens Simcenter Femap.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-12659?
CVE-2025-12659 is a high-severity memory corruption vulnerability in Siemens Simcenter Femap, published on 12 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Siemens Simcenter Femap contains a memory corruption vulnerability while parsing specially crafted IPT files. This could allow an attacker to execute code in the context of the current process.
Weakness: CWE-122
Which versions are affected by CVE-2025-12659?
How do I fix CVE-2025-12659?
No fix has been published for CVE-2025-12659 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-2025-12659 being exploited?
There is no known exploitation of CVE-2025-12659 in the wild and no public exploit code.
Sources
Also known as GHSA-8qfq-8cwv-5jpc.