CVE-2017-14000
An Improper Authentication issue was discovered in Ctek SkyRouter Series 4200 and 4400, all versions prior to V6.00.11.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.4 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
- EPSS
- 2.27% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- ctekproducts/skyrouter z4200 firmware · ctekproducts/skyrouter z4400 firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 2.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.