HOMEVULNERABILITIESCVE-2017-16727
CRITICAL

CVE-2017-16727

CWE-255Published: December 22, 2017· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official Description

A Credentials Management issue was discovered in Moxa NPort W2150A versions prior to 1.11, and NPort W2250A versions prior to 1.11. The default password is empty on the device. An unauthorized user can access the device without a password. An unauthorized user has the ability to completely compromise the confidentiality and integrity of the wireless traffic.

NVD Source

Technical Analysis

CVE-2017-16727 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

moxa4 product(s)
nport w2150a firmwarenport w2150anport w2250a firmwarenport w2250a
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://ics-cert.us-cert.gov/advisories/ICSA-17-355-01
PATCHhttps://ics-cert.us-cert.gov/advisories/ICSA-17-355-01
ADVISORYhttp://www.securityfocus.com/bid/102254
ADVISORYhttp://www.securityfocus.com/bid/102254

All References (4)

→
http://www.securityfocus.com/bid/102254Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-355-01Patch · Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/102254Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-355-01Patch · Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-16727
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedDec 22, 2017

Related CVEs (CWE-255)

CVE-2009-1745
10.0
CVE-2006-3203
10.0
CVE-2009-0616
10.0
CVE-2009-0617
10.0
CVE-2006-1002
10.0
CVE-2009-0216
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-16727 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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