CVE-2017-18371
CRITICALBillion 5200w-t Firmware - Hard-coded Credentials
Title source: ruleDescription
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.
Exploits (1)
metasploit
WORKING POC
EXCELLENT
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/trueonline_p660hn_v2_rce.rb
References (5)
Scores
CVSS v3
9.8
EPSS
0.7274
EPSS Percentile
98.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-798
Status
published
Products (3)
billion/5200w-t_firmware
7.3.8.0
zyxel/p660hn-t1a_v1_firmware
7.3.37.6
zyxel/p660hn-t1a_v2_firmware
7.3.37.6
Published
May 02, 2019
Tracked Since
Feb 18, 2026