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CVE-2025-34128: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in X360Soft X360 VideoPlayer ActiveX Control

0
High
VulnerabilityCVE-2025-34128cvecve-2025-34128cwe-120cwe-94
Published: 07/16/2025 (07/16/2025, 21:10:31 UTC)
Source: CVE Database V5
Vendor/Project: X360Soft
Product: X360 VideoPlayer ActiveX Control

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.

CVSS v4.0

Score 8.6high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

Affected versions
=2.6

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/07/2026, 23:04:58 UTC

Technical Analysis

This vulnerability involves a classic buffer overflow (CWE-120) in the X360 VideoPlayer ActiveX Control (VideoPlayer.ocx) version 2.6. Specifically, the ConvertFile() method does not properly check the size of input arguments, allowing crafted inputs to overflow a buffer. This memory corruption can be leveraged to execute arbitrary code with the privileges of the running process. The CVSS 4.0 base score is 8.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability.

Potential Impact

Exploitation can lead to arbitrary code execution within the context of the current process, potentially compromising system confidentiality, integrity, and availability. The vulnerability is remotely exploitable without privileges but requires user interaction. No known active exploits have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider disabling or restricting use of the vulnerable ActiveX control, especially in environments where untrusted input might be processed. Monitor vendor channels for updates or official patches.

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Technical Details

Data Version
5.1
Assigner Short Name
VulnCheck
Date Reserved
2025-04-15T19:15:22.561Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 68781a21a83201eaacded295

Added to database: 07/16/2025, 21:31:13 UTC

Last enriched: 04/07/2026, 23:04:58 UTC

Last updated: 09/10/2026, 19:36:50 UTC

Views: 314

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