CVE-2017-18374

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 7.35% Top 10%
Third-Party Advisory githubusercontent.com Third-Party Advisory seclists.org Third-Party Advisory ssd-disclosure.com Third-Party Advisory paloaltonetworks.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://seclists.org/fulldisclosure/2017/Jan/40 mailing list exploit third party advisory
https://ssd-disclosure.com/index.php/archives/2910 exploit third party advisory technical description
https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/ third party advisory technical description
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt third party advisory exploit
http://www.zyxel.com/support/announcement_unauthenticated.shtml broken link

Frequently Asked Questions

What is the severity of CVE-2017-18374?
CVE-2017-18374 has been scored as a high severity vulnerability.
How to fix CVE-2017-18374?
To fix CVE-2017-18374, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-18374 being actively exploited in the wild?
It is possible that CVE-2017-18374 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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