9.8

CVE-2016-9361: moxa nport_5100_series_firmware Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 13-02-2017Last modified 02-06-2026

Vulnerability summary

CVE-2016-9361 is a critical (CVSS 9.8) Improper Authentication vulnerability in moxa nport_5100_series_firmware. EPSS estimates a 20.37% chance of exploitation in the next 30 days, higher than 97.4% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
20.37%
0%100%
High · +0.52 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2metasploit

Timeline

  1. 13-02-2017
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

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. Administration passwords can be retried without authenticating.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

20.37%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

+0.52 pp

From 19.86% on 20-09-2026

20-09-202620-10-2026
EPSS score
20.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • MetasploitMetasploitremoteUnverified

    Moxa Device Credential Retrieval

    auxiliary/admin/scada/moxa_credentials_recovery

    Maturity: poc

  • MetasploitMetasploitremoteUnverified

    Moxa UDP Device Discovery

    auxiliary/scanner/scada/moxa_discover

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

1 vendor · 10 products

References

2 links