CVE-2018-15556

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-06-27 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Actiontec Web6000Q Firmware: 1.1.02.22

References

http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1
http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1
http://seclists.org/fulldisclosure/2019/Jun/1

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