VULNERABILITY INTELLIGENCE

CVE-2017-18374

CVSS score8.8 HIGH
EPSS probability5.50%
CISA KEVNot currently listed
Published2019-05-02
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user accounts with default passwords, including a hardcoded service account with the username true and password true. These accounts can be used to login to the web interface, exploit authenticated command injections and change router settings for malicious purposes.

Weakness classification

  • CWE-798: Use of Hard-coded Credentials

Primary references