CVE-2025-1977 - CVE House
Back to Database
Status published High CVE-2025-1977

The NPort 6100-G2/6200-G2 Series is affected by an execution with...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-1977

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Paxon SP Lin

Affected Vendor

Affected Software

NPort 6100-G2/6200-G2 Series
Vulnerable Versions:
1.0.0, 1.1.0

Timeline

Official Publish: December 31st, 2025
Last Modified: December 31st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)