How severe is CVE-2017-14000?

CVE-2017-14000 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2017-14000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14000?

CVE-2017-14000 primarily affects Ctekproducts Skyrouter Z4200 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-14000?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-14000 published?

CVE-2017-14000 was published on 2017-10-05 and last updated on 2026-06-17.

CVE-2017-14000

CVE-2017-14000 is a critical-severity vulnerability in Ctekproducts Skyrouter Z4200 Firmware with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.4)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ctekproducts Skyrouter Z4200 Firmware
Published: 2017-10-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-14000?: 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.
How severe is CVE-2017-14000?: CVE-2017-14000 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2017-14000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14000?: CVE-2017-14000 primarily affects Ctekproducts Skyrouter Z4200 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-14000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-14000 published?: CVE-2017-14000 was published on 2017-10-05 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:ctekproducts:skyrouter_z4200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ctekproducts:skyrouter_z4400_firmware:*:*:*:*:*:*:*:*

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