CVE-2017-18372

Public Exploit

Description

The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has a command injection vulnerability in the Time Setting function, which is only accessible by an authenticated user. The vulnerability is in the tools_time.asp page and can be exploited through the uiViewSNTPServer parameter. Authentication can be achieved by exploiting CVE-2017-18373.

References

Link	Tags
https://seclists.org/fulldisclosure/2017/Jan/40	mailing list third party advisory exploit
https://ssd-disclosure.com/index.php/archives/2910	third party advisory exploit technical description
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-18372?: CVE-2017-18372 has been scored as a high severity vulnerability.
How to fix CVE-2017-18372?: To fix CVE-2017-18372, 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-2017-18372 being actively exploited in the wild?: It is possible that CVE-2017-18372 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~70% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-78 – Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

Frequently Asked Questions