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NPort W2150A/W2250A Series Web Server Stack-based Buffer Overflow Vulnerability

Published: March 7, 2024

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

A stack-based buffer overflow in the built-in web server in Moxa NPort W2150A/W2250A Series firmware version 2.3 and prior allows a remote attacker to exploit the vulnerability by sending crafted payload to the web service. Successful exploitation of the vulnerability could result in denial of service.

The identified vulnerability types and potential impacts are shown below:

Item Vulnerability Type Impact
1

Stack-based Buffer Overflow (CWE-121)

CVE-2024-1220

 An attacker can cause a Denial-of-service (DoS) attack

 

Vulnerability Scoring Details 

ID 

CVSS 

Vector 

Severity 

Remote Exploit without Auth? 

CVE-2024-1220

8.2

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H 

High 

Yes

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability