Vulnerability identifier: #VU48218

Vulnerability risk: Medium

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2013-5948

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
RT-AC68U
Hardware solutions / Routers for home users

Vendor: Asus

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in "Main_Analysis_Content.asp" in the "destIP" parameter. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RT-AC68U: All versions

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External links
http://seclists.org/fulldisclosure/2014/Apr/59
http://seclists.org/fulldisclosure/2014/Apr/66
http://support.asus.com/download.aspx?m=RT-N66U+%28VER.B1%29
http://support.t-mobile.com/docs/DOC-21994

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.