CVE-2025-1977: High severity MOXA NPort 6100-G2/6200-G2 Series vulnerability
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.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-1977?
CVE-2025-1977 is considered a high severity vulnerability due to its potential for unauthorized configuration changes.
How does CVE-2025-1977 impact Moxa NPort 6100-G2/6200-G2 Series devices?
CVE-2025-1977 allows an authenticated user with read-only access to exploit the system and perform unauthorized changes.
Who is affected by CVE-2025-1977?
The vulnerability affects users of the Moxa NPort 6100-G2 and 6200-G2 Series devices.
How can I report exploitation of CVE-2025-1977?
Any suspected exploitation of CVE-2025-1977 should be reported to Moxa's security team immediately.
What steps should I take to secure my devices from CVE-2025-1977?
To secure against CVE-2025-1977, implement strict access controls and update to the latest firmware provided by Moxa.