HOMEVULNERABILITIESCVE-2017-14000
CRITICAL

CVE-2017-14000

CWE-287Published: October 5, 2017· Updated: Jun 17, 2026

9.4
CVSS v3.1

Official Description

An Improper Authentication issue was discovered in Ctek SkyRouter Series 4200 and 4400, all versions prior to V6.00.11. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access the application without authenticating.

NVD Source

Technical Analysis

CVE-2017-14000 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 9.4.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

ctekproducts4 product(s)
skyrouter z4200 firmwareskyrouter z4200skyrouter z4400 firmwareskyrouter z4400
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

http://www.securityfocus.com/bid/100953Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-264-02Third Party Advisory · US Government Resource
http://www.securityfocus.com/bid/100953Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-264-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-14000
CVSS Score9.4 / 10
SeverityCRITICAL
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedOct 5, 2017

Related CVEs (CWE-287)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-14000 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.