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SUMMARY

MGate 5109 and MGate 5101-PBM-MN Series Protocol Gateways Vulnerability

  • Version: V1.0
  • Release Date: Dec 28, 2021
  • Reference:
    • N/A

A product vulnerability was identified in Moxa’s MGate 5109 and MGate 5101-PBM-MN Series Protocol Gateways. 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 Memory Leak Continuously sending crafted packets may cause an affected device to experience a memory leak and fail to release memory when it is no longer required.

 

AFFECTED PRODUCTS AND SOLUTIONS

Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
MGate 5109 Series Protocol Gateway Firmware Version 2.2 or lower.
MGate 5101-PBM-MN Series Protocol Gateway Firmware Version 2.1 or lower.

 

Solutions:

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

Product Series Solutions
MGate 5109 Series Protocol Gateway Please upgrade to firmware version 2.3 or higher.(Download)
MGate 5101-PBM-MN Series Protocol Gateway Please upgrade to firmware version 2.2 or higher. (Download)

Acknowledgment:

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:

VERSION DESCRIPTION RELEASE DATE
1.0 First Release Dec 28, 2021

Relevant Products

MGate 5101-PBM-MN Series · MGate 5109 Series ·

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