Vulnerability CVE-2017-18368
Published: 2019-05-02

Description:
The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the ViewLog.asp page and can be exploited through the remote_host parameter.

Type:

CWE-78

 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') )

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Zyxel -> P660hn-t1a v1 firmware 
Zyxel -> P660hn-t1a v2 firmware 
Billion -> 5200w-t firmware 

 References:
http://www.zyxel.com/support/announcement_unauthenticated.shtml
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
https://seclists.org/fulldisclosure/2017/Jan/40
https://ssd-disclosure.com/index.php/archives/2910
https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/
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