CVEvulnerability
CVE-2017-18374
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-05-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-798
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.
Affected configurations
• billion 5200w-t firmware 7.3.8.0
• zyxel p660hn-t1a v2 firmware 7.3.15.0
• zyxel p660hn-t1a v1 firmware 7.3.15.0
Related
Weakness · CWE (1)
- CWE-798 Use of Hard-coded Credentials weakness
References
- http://www.zyxel.com/support/announcement_unauthenticated.shtml Broken Link
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt Exploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40 Exploit, Mailing List, Third Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910 Exploit, Technical Description, Third Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/ Technical Description, Third Party Advisory
- http://www.zyxel.com/support/announcement_unauthenticated.shtml Broken Link
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt Exploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40 Exploit, Mailing List, Third Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910 Exploit, Technical Description, Third Party Advisory
- https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/ Technical Description, Third Party Advisory