HOMEVULNERABILITIESCVE-2024-1220
HIGH

CVE-2024-1220

CWE-121Published: March 6, 2024· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2024-1220 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

moxa8 product(s)
nport w2150a firmwarenport w2150anport w2250a firmwarenport w2250anport w2150a-t firmwarenport w2150a-tnport w2250a-t firmwarenport w2250a-t
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability
ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability

All References (2)

→
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerabilityVendor Advisory
→
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerabilityVendor Advisory

Quick Facts

CVE IDCVE-2024-1220
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedMar 6, 2024

Related CVEs (CWE-121)

CVE-2021-21961
10.0
CVE-2014-0787
10.0
CVE-2012-10058
10.0
CVE-2021-21960
10.0
CVE-2023-3943
10.0
CVE-2017-20230
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-1220 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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