CVE-2024-1220

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2024-03-06 02:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 07:03 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.7% in the next 30 days (EPSS).
• Severity: 8.2 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2024-03-06 02:15 UTC

Last modified

2026-06-17 07:03 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-121

Record status

Analyzed

Affected

• Moxa Nport w2150a Firmware ≤ 2.3
• Moxa Nport w2250a Firmware ≤ 2.3
• Moxa Nport w2150a-t Firmware ≤ 2.3
• Moxa Nport w2250a-t Firmware ≤ 2.3

Attack profile CVSS 3.1 · 8.2

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2024-1220.md and follow it. Check whether this project is affected by CVE-2024-1220. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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