CVE-2018-19659

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-12-06 · updated 2026-06-17
Weakness: CWE-78

Description

An exploitable authenticated command-injection vulnerability exists in the web server functionality of Moxa NPort W2x50A products with firmware before 2.2 Build_18082311. A specially crafted HTTP POST request to /goform/net_WebPingGetValue can result in running OS commands as the root user. This is similar to CVE-2017-12120.

Affected products

Moxa Nport W2X50A Firmware: before 2.2 — fixed in 2.2

How to fix

Upgrade to a fixed version: Moxa Nport W2X50A Firmware 2.2. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/150535/Moxa-NPort-W2x50A-2.1-OS-Command-Injection.html
http://seclists.org/fulldisclosure/2018/Nov/64
http://packetstormsecurity.com/files/150535/Moxa-NPort-W2x50A-2.1-OS-Command-Injection.html
http://seclists.org/fulldisclosure/2018/Nov/64

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