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Security Advisories


EDR-G902 Series and EDR-G903 Series Secure Routers Vulnerabilities

  • Security Advisory ID: MPSA-200502
  • Version: V1.1
  • Release Date: Jul 16, 2020
  • Reference:
    • CVE-2020-14511

A product vulnerability was identified in Moxa’s EDR-G902 Series and EDR-G903 Series Secure Routers. In response to this, Moxa has developed related solutions to address this vulnerability.

The identified vulnerability types and potential impacts are shown below:

Item Vulnerability Type Impact
1 Stack buffer overflow (CWE-121)
Malicious operation of the crafted web browser cookie may cause stack buffer overflow in the system web server of the EDR-G902 Series and EDR-G903 Series.

Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
EDR-G902 Series Firmware Version 5.4 or lower
EDR-G903 Series Firmware Version 5.4 or lower



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

Product Series Solutions
EDR-G902 Series Please download the new firmware here.
EDR-G903 Series Please download the new firmware here.


We would like to express our appreciation to Tal Keren from Claroty 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 Jun 15, 2020
1.1 Added the reference information that includes CVE-ID, CWE and ICS-CERT's security advisory Jul 16, 2020

Relevant Products

EDR-G902 Series · EDR-G903 Series ·

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