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SUMMARY

NPort 5110 Series Vulnerabilities

Multiple vulnerabilities were discovered in the NPort 5110 Series that allow a remote attacker to conduct a denial-of-service attack or overwrite certain values in the memory to cause information to become unavailable.

The identified vulnerability types and potential impacts are shown below:

Item Vulnerability Type Impact
1

Out-of-bounds Write (CWE-787)

CVE-2022-2044

 Certain values in the memory may not be available.
2

Out-of-bounds Write (CWE-787)

CVE-2022-2043

 A vulnerability allows a remote attacker to conduct a denial-of-service attack.
AFFECTED PRODUCTS AND SOLUTIONS

Affected Products:

The affected products and firmware versions are shown below.

Product Series Affected Versions
NPort 5110 Series

Only Firmware Version 2.10 is affected.

CVE-2022-2044, CVE-2022-2043
NPort 5200A Series

Firmware Version 1.6 and prior

CVE-2022-2044

 

Solutions:

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

Product Series Solutions
NPort 5110 Series Please contact Moxa Technical Support for assistance.
NPort 5200A Series Please contact Moxa Technical Support for assistance.

 

Acknowledgment:

We would like to express our appreciation to Jens Nielsen from En Garde Security 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 June 10, 2022
1.1

Added Reference:

  • ICSRange, Two Moxa Zerodays
  • CISA, ICSA-22-207-04
 July 28, 2022
1.2 Add NPort 5200A Series and CVE ID July 31, 2023

Relevant Products

NPort 5100 Series · NPort 5200A Series ·

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