CVE-2018-15556

critical

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.

References

http://seclists.org/fulldisclosure/2019/Jun/1

http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-Escalation.html

Details

Source: Mitre, NVD

Published: 2019-06-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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