CVE-2018-15556 Hardcoded credentials in n/a

Critical 9.8 Published 27 Jun 2019 Updated 5 Aug 2024

Attackers with physical access can gain root privileges on the router via UART headers using default empty credentials.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-15556?

CVE-2018-15556 is a critical vulnerability in n/a, published on 27 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-287

Which versions are affected by CVE-2018-15556?

It affects 1 product.

Products include Actiontec Web6000q Firmware.

How do I fix CVE-2018-15556?

No fix has been published for CVE-2018-15556 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-15556 being exploited?

There is no known exploitation of CVE-2018-15556 in the wild and no public exploit code.

Sources

Also known as GHSA-v283-23g5-fgc8.