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Security Advisories


VPort 06EC-2V Series and VPort 461A Series IP Cameras and Video Servers Vulnerabilities

  • Security Advisory ID: MPSA-220103
  • Version: V1.0
  • Release Date: Jan 13, 2022
  • Reference:
    • N/A

Multiple product vulnerabilities were identified in Moxa’s VPort 06EC-2V Series IP Cameras and VPort 461A Series Video Servers. In response to this, Moxa has developed related solutions to address these vulnerabilities.

The identified vulnerability types and potential impacts are shown below:

Item Vulnerability Type Impact
1 NULL Pointer Dereference The application allows a cookie parameter to consist of only digits, which makes it easier for an attacker to perform a brute force attack bypassing authentication and gaining access to device functions.
2 Integer Underflow An attacker may be able to edit the element of an HTTP request  causing the device to become unavailable.
3 Out-of-Bounds Read An attacker may be able to edit the element of an HTTP request to read sensitive information or even cause the device to become unavailable.
4 Memory Leak Continuously sending crafted packets may cause an affected device to experience a memory leak and consume the remaining memory on the device.



Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
VPort 06EC-2V Series Firmware Version 1.1 or lower.
VPort 461A Series Firmware Version 1.4 or lower.



Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below.

Product Series Solutions
VPort 06EC-2V Series Please upgrade to firmware version 1.2 or higher. (Download Link)
VPort 461A Series Please upgrade to firmware version 1.5 or higher. (Download Link)


We would like to express our appreciation to Qian Chen from the Codesafe Team of Legendsec at Qi'anxin Group for reporting the vulnerability, working with us to help enhance the security of our products, and helping us provide a better service to our customers.

Revision History:

1.0 First Release Jan 13, 2022

Relevant Products

VPort 06EC-2V Series · VPort 461A Series ·

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