Vulnerability record · CVE-2017-18373 · published 2 May 2019
CVE-2017-18373: Billion 5200w-t firmware hard-coded credentials vulnerability
Billion · 5200w T Firmware
The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 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 user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.
Description
The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 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 user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt | ExploitThird Party Advisory |
| https://seclists.org/fulldisclosure/2017/Jan/40 | ExploitMailing ListThird Party Advisory |
| https://ssd-disclosure.com/index.php/archives/2910 | ExploitTechnical DescriptionThird Party Advisory |
| https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt | ExploitThird Party Advisory |
| https://seclists.org/fulldisclosure/2017/Jan/40 | ExploitMailing ListThird Party Advisory |
| https://ssd-disclosure.com/index.php/archives/2910 | ExploitTechnical DescriptionThird Party Advisory |
Track CVE-2017-18373 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2017-18373), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
