Authentication bypass in Ctek SkyRouters



Published: 2017-09-22
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-14000
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SkyRouter Series 4400
Hardware solutions / Routers for home users

SkyRouter Series 4200
Hardware solutions / Routers for home users

Vendor Ctek Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Authentication bypass

EUVDB-ID: #VU8573

Risk: Low

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14000

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication on the target system.

The weakness exists due to improper authentication. A remote attacker can access a specific uniform resource locator (URL) on the web server and bypass authentication to view and edit settings.

Mitigation

Update to version 6.00.11.

Vulnerable software versions

SkyRouter Series 4400: All versions

SkyRouter Series 4200: All versions

External links

http://ics-cert.us-cert.gov/advisories/ICSA-17-264-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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