A Resource Exhaustion issue was discovered in Moxa NPort 5110 Version 2.2, NPort 5110 Version 2.4, NPort 5110 Version 2.6, NPort 5110 Versi…

published 2017-11-16 8y ago modified 2026-06-17 4mo ago also EUVD-2017-5543

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

A Resource Exhaustion issue was discovered in Moxa NPort 5110 Version 2.2, NPort 5110 Version 2.4, NPort 5110 Version 2.6, NPort 5110 Version 2.7, NPort 5130 Version 3.7 and prior, and NPort 5150 Version 3.7 and prior. An attacker may be able to exhaust memory resources by sending a large amount of TCP SYN packets.

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Vendor advisories

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

cisa ICSA-17-320-01 updated 2017-11-16 cvss 7.5

Moxa NPort 5110, 5130, and 5150

Moxa NPort 5110 2.4, 2.7, 2.6, 2.2 Moxa NPort 5130 <= 3.7 Moxa NPort 5150 <= 3.7
affected: vendor fix, mitigation “NPort 5110 https://www.moxa.com/support/download.aspx?type=support&id=882” 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

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

n/a Moxa NPort 5110, 5130, and 5150

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

References

securityfocus.com /bid/101885
vdb-entry, third-party-advisory
ics-cert.us-cert.gov /advisories/ICSA-17-320-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2017-14028
NVD CVE-2017-14028

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