Denial-of-Service Vulnerability in Moxa NPort Devices
CVE-2026-10831

6.9MEDIUM

Key Information:

Vendor

Moxa
Status
Nport 6000 Series
Cn2600 Series
Vendor
CVE Published:
16 June 2026

What is CVE-2026-10831?

A denial-of-service vulnerability in Moxa NPort devices arises from improper access control on the command port, allowing unauthorized remote attackers to disrupt serial communication. By sending specially crafted requests, attackers can interfere with active user sessions, compromising the integrity and availability of the affected device's communication capabilities.

Affected Version(s)

CN2600 Series 1.0 <= 4.6

NPort 6000 Series 1.0 <= 2.3

References

https://www.moxa.com/en/support/product-support/security-...
vendor-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Artur Witek
.