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CVE-2025-1977

Published: Dec 31, 2025Updated: Dec 31, 2025 Sources: CVE List NVD BDUCWE-250

Description

The NPort 6100-G2/6200-G2 Series is affected by an execution with unnecessary privileges vulnerability (CVE-2025-1977) that allows an authenticated user with read-only access to perform unauthorized configuration changes through the MCC (Moxa CLI Configuration) tool. The issue can be exploited remotely over the network with low-attack complexity and no user interaction but requires specific system conditions or configurations to be present. Successful exploitation may result in changes to device settings that were not intended to be permitted for the affected user role, potentially leading to a high impact on the confidentiality, integrity, and availability of the device. No impact on other systems has been identified.

CVSS Vector Breakdown

AV:NAC:LC:HI:HA:H
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:HConfidentiality
H
I:HIntegrity
H
A:HAvailability
H

Weaknesses

Affected Products

moxa inc.commercialTWICS / OT / IoTaka moxa
moxacommercialTWICS / OT / IoTaka moxa technologies

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Privilege Escalation
View detailed technique mapping

References

Timeline

Published
Dec 31, 2025
Last Updated
Dec 31, 2025

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