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Security Advisories


EDR-810 Series Secure Router Vulnerabilities

  • Security Advisory ID: MPSA-210802
  • Version: V1.0
  • Release Date: Aug 17, 2021
  • Reference:
    • N/A

Multiple product vulnerabilities were identified in Moxa’s EDR-810 Series secure router. 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 Use of a broken or risky cryptographic algorithm Using a weak cryptographic algorithm may allow confidential information to be disclosed.
2 Stack-based Buffer Overflow An attacker can exploit this vulnerability to perform remote code execution without being verified.
3 Improper neutralization of special elements used in an OS Command An attacker who is authenticated as a user with low privileges can exploit a vulnerability and send multiple remote command injections.
4 Use of a hard-coded cryptographic key Using a hard-coded cryptographic key may increase the possibility that confidential data can be recovered.

Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
EDR-810 Series Firmware Version 5.9 or lower



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

Product Series Solutions
EDR-810 Series
  • For item 1, Moxa suggests users enable password on ‘configuration file encryption setting’ to enhance the security of the EDR-810 Series.
  • For items 2, 3, and 4, please contact Moxa Technical Support for a security patch.


We would like to express our appreciation to Danny Rigby and Alan Chang from Modux for reporting the vulnerabilities, 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 Aug 17, 2021

Relevant Products

EDR-810 Series ·

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