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CVE-2016-9371

19
FAUCET Score

CVE-2016-9371 describes a Cross-Site Scripting (XSS) vulnerability in various Moxa NPort series devices, including the 5110, 5130/5150, 5200, 5400, 5600, 5100A, P5150A, 5200A, 5150AI-M12, 5250AI-M12, 5450AI-M12, 5600-8-DT, 5600-8-DTL, 6x50, and IA5450A, across numerous firmware versions. This vulnerability, rated Medium severity (CVSS 6.1), allows an unauthenticated attacker to inject malicious scripts into web pages due to improper neutralization of user-controlled input. Successful exploitation requires user interaction and could lead to information disclosure or defacement, though it does not impact availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5CPE matchmatch criteria
cpe:2.3:o:moxa:nport_5100_series_firmware:*:*:*:*:*:*:*:*
<= 3.5CPE matchmatch criteria
cpe:2.3:o:moxa:nport_5100_series_firmware:*:*:*:*:*:*:*:*
<= 2.7CPE matchmatch criteria
cpe:2.3:o:moxa:nport_5200_series_firmware:*:*:*:*:*:*:*:*
<= 3.10CPE matchmatch criteria
cpe:2.3:o:moxa:nport_5400_series_firmware:*:*:*:*:*:*:*:*
<= 3.6CPE matchmatch criteria
cpe:2.3:o:moxa:nport_5600_series_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 62nd percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ics-cert.us-cert.gov / advisories/ICSA-16-336-02
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/85965
Third Party AdvisoryVDB Entry