CVE-2019-20216

Description

D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because REMOTE_PORT is mishandled. The value of the urn: service/device is checked with the strstr function, which allows an attacker to concatenate arbitrary commands separated by shell metacharacters.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.13% Top 15%
Vendor Advisory dlink.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147 patch vendor advisory
https://medium.com/%40s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-en-6bca043500ae
https://medium.com/%40s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-es-e11ca6168d35

Frequently Asked Questions

What is the severity of CVE-2019-20216?
CVE-2019-20216 has been scored as a critical severity vulnerability.
How to fix CVE-2019-20216?
To fix CVE-2019-20216, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20216 being actively exploited in the wild?
It is possible that CVE-2019-20216 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.