Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Billion | 5200W-T Firmware | 7.3.8.0 |
| Billion | 5200W-T | - |
| Zyxel | P660Hn-T1A V2 Firmware | 7.3.15.0 |
| Zyxel | P660Hn-T1A V2 | - |
| Zyxel | P660Hn-T1A V1 Firmware | 7.3.15.0 |
| Zyxel | P660Hn-T1A V1 | - |
Related Weaknesses (CWE)
References
- http://www.zyxel.com/support/announcement_unauthenticated.shtmlBroken Link
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.ExploitThird Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40ExploitMailing ListThird Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910ExploitTechnical DescriptionThird Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wirelesTechnical DescriptionThird Party Advisory
- http://www.zyxel.com/support/announcement_unauthenticated.shtmlBroken Link
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.ExploitThird Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40ExploitMailing ListThird Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910ExploitTechnical DescriptionThird Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wirelesTechnical DescriptionThird Party Advisory
FAQ
What is CVE-2017-18374?
CVE-2017-18374 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 usernam...
How severe is CVE-2017-18374?
CVE-2017-18374 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18374?
Check the references section above for vendor advisories and patch information. Affected products include: Billion 5200W-T Firmware, Billion 5200W-T, Zyxel P660Hn-T1A V2 Firmware, Zyxel P660Hn-T1A V2, Zyxel P660Hn-T1A V1 Firmware.