CVE-2017-18373

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 v3.0

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

5.38% chance of exploitation in the next 30 days, 92th percentile

Published

2019-05-02

Updated

2024-08-05

Proof-of-concept exploits (3)

• 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

References

• CVE Record
• NVD entry

Related

• CVE-2017-18372
• CVE-2017-18374
• CVE-2017-18371
• CVE-2017-18377
• CVE-2017-18370
• CVE-2017-18378