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CVE-2021-47719
Published: Dec 9, 2025
Modified: Apr 7, 2026
PUBLISHED
Description
COMMAX WebViewer ActiveX Control 2.1.4.5 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by providing excessively long string arrays through multiple functions. Attackers can exploit boundary errors in Commax_WebViewer.ocx to cause buffer overflow conditions and potentially gain code execution.
| Vendor | Product | Versions |
|---|---|---|
COMMAX Co., Ltd. | COMMAX WebViewer ActiveX Control | affected 2.1.4.5 |
Weaknesses (CWE)
References
ExploitDB-50231
exploit
Zero Science Lab Disclosure (ZSL-2021-5663)
third-party-advisory
Reference
product
VulnCheck Advisory: CNC_Ctrl DllUnregisterServer f5501 Access Violation
third-party-advisory
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