Vulnerability Details CVE-2017-18371
The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username supervisor and password zyad1234. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.69
EPSS Ranking 98.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://www.zyxel.com/support/announcement_unauthenticated.shtml
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- https://seclists.org/fulldisclosure/2017/Jan/40
- https://ssd-disclosure.com/index.php/archives/2910
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
- http://www.zyxel.com/support/announcement_unauthenticated.shtml
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- https://seclists.org/fulldisclosure/2017/Jan/40
- https://ssd-disclosure.com/index.php/archives/2910
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
Products affected by CVE-2017-18371
-
cpe:2.3:h:billion:5200w-t:-
-
cpe:2.3:h:zyxel:p660hn-t1a_v1:-
-
cpe:2.3:h:zyxel:p660hn-t1a_v2:-
-
cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0
-
cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.37.6
-
cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.37.6