MOXA NPort 5110 Out-of-bounds Write

published 2022-08-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34347

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that may allow an attacker to overwrite values in memory, causing a denial-of-service condition or potentially bricking the device.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-207-04 updated 2022-07-26 cvss 8.2

MOXA NPort 5110

MOXA NPort 5110 2.1
affected: mitigation “MOXA recommends contacting Technical Support for the security patch.” moxa.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

MOXA MOXA

Classification

Weakness

CWE-787 Out-of-bounds Write

References

cisa.gov /uscert/ics/advisories/icsa-22-207-04
third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-2044
NVD CVE-2022-2044

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Summary