CVE-2017-18371

CRITICAL

Billion 5200w-t Firmware - Hard-coded Credentials

Title source: rule

Description

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
by Pedro Ribeiro <[email protected]> · rubypoclinux
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/trueonline_p660hn_v2_rce.rb

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