Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-1977

Quick assessment

Affected
Moxa NPort 6100-G2/6200-G2 Series
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series都是中国台湾Moxa公司的一系列安全终端服务器。 Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series存在安全漏洞，该漏洞源于具有只读权限的经过身份验证的用户可通过MCC工具执行未经授权的配置更改，可能导致设备设置被更改。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.35% · P26
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-1977

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series都是中国台湾Moxa公司的一系列安全终端服务器。 Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series存在安全漏洞，该漏洞源于具有只读权限的经过身份验证的用户可通过MCC工具执行未经授权的配置更改，可能导致设备设置被更改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Moxa NPort 6100-G2/6200-G2 Series 1.0.0 -

II. Public POCs for CVE-2025-1977

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-1977

请登录查看更多情报信息。

Other References for CVE-2025-1977 (1)

Same Patch Batch · Moxa · 2025-12-31 · 3 CVEs total

CVE-2025-15017 Moxa NPort 5000 Series 安全漏洞
CVE-2025-2026 Moxa NPort 6100-G2 Series和Moxa NPort 6200-G2 Series 安全漏洞

IV. Related Vulnerabilities

Same product: NPort 6100-G2/6200-G2 Series
Same vendor: Moxa
Same weakness: CWE-250

V. Comments for CVE-2025-1977

No comments yet

Leave a comment