CVE-2017-18371
Last modified
CVE-2017-18371 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 22.53% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Billion | 5200w-T Firmware | 7.3.8.0 |
| Zyxel | P660hn-T1a V2 Firmware | 7.3.37.6 |
| Zyxel | P660hn-T1a V1 Firmware | 7.3.37.6 |
References
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txtExploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40Exploit, Mailing List, Third Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910Exploit, Technical Description, Third Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/Technical Description, Third Party Advisory
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txtExploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40Exploit, Mailing List, Third Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910Exploit, Technical Description, Third Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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