{"cve":"CVE-2017-18373","nvd":{"published":"2019-05-02T17:29:01.363","modified":"2026-06-17T01:12:42.703","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-798"],"references":["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://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt","https://seclists.org/fulldisclosure/2017/Jan/40"],"products":["billion:5200w-t_firmware"],"source":"nvd","synced_at":"2026-10-19T20:56:19.218283075+00:00"},"epss":{"cve":"CVE-2017-18373","score":0.05384,"percentile":0.92667,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}