CVE-2018-15556 — CRITICAL (9.8)

Vulnerability Description

The Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 allows login with root level access with the user "root" and an empty password by using the enabled onboard UART headers.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Actiontec	Web6000Q Firmware	1.1.02.22
Actiontec	Web6000Q	-

Related Weaknesses (CWE)

CWE-287

References

http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-EExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2019/Jun/1ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2019/Jun/1ExploitMailing ListThird Party Advisory
http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-EExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2019/Jun/1ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2019/Jun/1ExploitMailing ListThird Party Advisory

FAQ

What is CVE-2018-15556?

CVE-2018-15556 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 allows login with root level access with the user "root" and an empty password by using the enabled onboard UART headers.

How severe is CVE-2018-15556?

CVE-2018-15556 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-15556?

Check the references section above for vendor advisories and patch information. Affected products include: Actiontec Web6000Q Firmware, Actiontec Web6000Q.