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Security Advisories


NPort 5100A Series Serial Device Servers Vulnerability

  • Security Advisory ID: MPSA-201001
  • Version: V1.0
  • Release Date: Oct 27, 2020
  • Reference:
    • N/A

A product vulnerability was identified in Moxa’s NPort 5100A Series Serial Device Server. 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 Privilege escalation via Web console A user with read-only access may get write permissions via editing a JavaScript that will allow them to edit the device settin

Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
NPort 5100A Series Firmware Version 1.5 or lower



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

Product Series Solutions
NPort 5100A Series Please download the new firmware here.


We would like to express our appreciation to Nikita Firsov 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 Oct 27, 2020

Relevant Products

NPort 5100A Series ·

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