Vulnerability identifier: #VU24732
Vulnerability risk: High
CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
DIR-859
Hardware solutions /
Routers for home users
Vendor: D-Link
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to the HTTP_ST is mishandled in the "ssdpcgi()" function in "/htdocs/cgibin". A remote unauthenticated attacker can execute arbitrary OS commands on the target system via a urn: to the M-SEARCH method.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
DIR-859: 1.05 - 1.06b01Beta01
External links
http://medium.com/@s1kr10s/d-link-dir-859-unauthenticated-rce-in-ssdpcgi-http-st-cve-2019-20215-en-2e799acb8a73
http://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
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?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.