Vulnerability identifier: #VU85167

Vulnerability risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2016-20017

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DSL-2750B
Hardware solutions / Routers for home users

Vendor:

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 the login.cgi script. A remote unauthenticated 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

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External links
http://www.exploit-db.com/exploits/44760
http://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088
http://seclists.org/fulldisclosure/2016/Feb/53

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.