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CVE-2024-1220

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

HIGH
7.5
CVSS Score
Published: March 6, 2024 at 01:51 AM UTC
Updated: June 17, 2026 at 07:03 AM UTC
8 products affected across 1 vendorNport W2150A FirmwareNport W2250A FirmwareNport W2150A T Firmware

Using NPort W2150A/W2250A Series by Moxa?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nport W2150A Firmware· Moxa
95%
v ≤ 2.31.0 ≤ v ≤ 2.31.0
Nport W2150A T Firmware· Moxa
95%
v ≤ 2.3
moxa-nport-w2150a-t (same device)
Nport W2250A Firmware· Moxa
95%
v ≤ 2.3
moxa-nport-w2250a (same device)
Nport W2250A T Firmware· Moxa
95%
v ≤ 2.3
moxa-nport-w2250a-t (same device)
Nport W2150A· Moxa
90%
v ≤ 2.31.0 ≤ v ≤ 2.31.0
NPort W2250A· Moxa
60%
1.0 ≤ v ≤ 2.31.0
Nport W2150A-T· Moxadevice
80%
All versions
Nport W2250A-T· Moxadevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-787

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