CVE-2025-34128 X360 VideoPlayer ActiveX Control Buffer Overflow via ConvertFile()
Attackers can execute arbitrary code via a buffer overflow in the ConvertFile method of the X360 VideoPlayer ActiveX control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-34128?
CVE-2025-34128 is a high-severity memory corruption vulnerability in X360Soft X360 VideoPlayer ActiveX Control, published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A buffer overflow vulnerability exists in the X360 VideoPlayer ActiveX control (VideoPlayer.ocx) version 2.6 when handling overly long arguments to the ConvertFile() method. An attacker can exploit this vulnerability by supplying crafted input to cause memory corruption and execute arbitrary code within the context of the current process.
Which versions are affected by CVE-2025-34128?
How do I fix CVE-2025-34128?
No fix has been published for CVE-2025-34128 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-2025-34128 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34128 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-rr9x-rmx5-9jcm.