An Information Exposure issue was discovered in Moxa NPort 5110 Version 2.2, NPort 5110 Version 2.4, NPort 5110 Version 2.6, NPort 5110 Ver…

published 2017-11-16 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7899

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

An Information Exposure 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 exploit a flaw in the handling of Ethernet frame padding that may allow for information exposure.

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 8.6

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

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 5 mo ago (2026-06-02)

Exploit prediction

1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CNA	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Moxa NPort 5110, 5130, and 5150

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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-2017-16715
NVD CVE-2017-16715

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary