#VU16535 OS command injection in Dir-645 - CVE-2015-2051

Vulnerability identifier: #VU16535

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2015-2051

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Dir-645
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: D-Link

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

The weakness exists due to OS command injection in the HNAP SOAP interface. A remote attacker can supply specially crafted input to inject and execute arbitrary shell commands via a GetDeviceSettings action to the HNAP interface.

Successful exploitation of the vulnerability may result in system compromise.

Note: the vulnerability is being exploited by various attachers to deliver several Mirai variants (e.g., Satori, JenX, etc.).

Mitigation
Refer to the vendor's advisory for workaround information.

Vulnerable software versions

Dir-645: All versions

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External links
https://securityadvisories.dlink.com/security/publication.aspx?name=SAP10051

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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.