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.
Published 2019-05-02 17:29:01
Updated 2019-05-03 19:20:00
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2017-18371

2.70%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2017-18371

  • TrueOnline / ZyXEL P660HN-T v2 Router Authenticated Command Injection
    Disclosure Date: 2016-12-26
    First seen: 2020-04-26
    exploit/linux/http/trueonline_p660hn_v2_rce
    TrueOnline is a major ISP in Thailand, and it distributes a customized version of the ZyXEL P660HN-T v2 router. This customized version has an authenticated command injection vulnerability in the remote log forwarding page. This can be exploited using the "supervisor"

CVSS scores for CVE-2017-18371

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2017-18371

  • The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-18371

Products affected by CVE-2017-18371

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