Buffer Overflow in X360 VideoPlayer ActiveX Control by Fortinet
CVE-2025-34128

8.6HIGH

Key Information:

Vendor

X360soft

Vendor
CVE Published:
16 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34128?

A buffer overflow vulnerability in the X360 VideoPlayer ActiveX control (VideoPlayer.ocx) version 2.6 enables an attacker to supply overly long arguments to the ConvertFile() method. This can lead to memory corruption, allowing the execution of arbitrary code within the current process. Exploiting this vulnerability could compromise system integrity and execute malicious payloads.

Affected Version(s)

X360 VideoPlayer ActiveX Control 2.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rh0
.
CVE-2025-34128 : Buffer Overflow in X360 VideoPlayer ActiveX Control by Fortinet