Is CVE-2016-9366 in the CISA KEV catalog?

No. CVE-2016-9366 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-9366?

CVE-2016-9366 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-9366?

CVE-2016-9366 has an EPSS score of 2.40% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2016-9366?

No published fix for CVE-2016-9366 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2016-9366

CRITICALEPSS 82th pctl

9.8

CVSS v3

NVD

Description

An issue was discovered in Moxa NPort 5110 versions prior to 2.6, NPort 5130/5150 Series versions prior to 3.6, NPort 5200 Series versions prior to 2.8, NPort 5400 Series versions prior to 3.11, NPort 5600 Series versions prior to 3.7, NPort 5100A Series & NPort P5150A versions prior to 1.3, NPort 5200A Series versions prior to 1.3, NPort 5150AI-M12 Series versions prior to 1.2, NPort 5250AI-M12 Series versions prior to 1.2, NPort 5450AI-M12 Series versions prior to 1.2, NPort 5600-8-DT Series versions prior to 2.4, NPort 5600-8-DTL Series versions prior to 2.4, NPort 6x50 Series versions prior to 1.13.11, NPort IA5450A versions prior to v1.4. An attacker can freely use brute force to determine parameters needed to bypass authentication.

CWE-264Permissions, Privileges, and Access Controls CWE-307

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.40%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Third-Party Advisory2

Embed a live status badge for CVE-2016-9366

Markdown

[![CVE-2016-9366](https://tridentstack.com/cve/badge/CVE-2016-9366.svg)](https://tridentstack.com/cve/CVE-2016-9366)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-9366"><img src="https://tridentstack.com/cve/badge/CVE-2016-9366.svg" alt="CVE-2016-9366"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-02.