CVE-2017-18371 Hardcoded credentials in n/a
Attackers can use hardcoded default credentials to log in, change settings, and execute commands on ZyXEL routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-18371?
CVE-2017-18371 is a critical vulnerability in n/a, published on 2 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-798
Which versions are affected by CVE-2017-18371?
It affects 3 products.
Products include Billion 5200w-T Firmware, Zyxel P660hn-T1a V1 Firmware, Zyxel P660hn-T1a V2 Firmware.
How do I fix CVE-2017-18371?
No fix has been published for CVE-2017-18371 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-18371 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-18371 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j9rw-cgp6-m49q.