Critical severity9.8NVD Advisory· Published Jan 29, 2020· Updated Jun 17, 2026

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.

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Affected products

D-Link/DIR-859description
Dlink/DIR-859llm-create
Range: 1.05, 1.06B01 Beta01

Patches

Vulnerability mechanics

References

supportannouncement.us.dlink.com/announcement/publication.aspxnvdPatchVendor Advisory
medium.com/%40s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-en-6bca043500aenvd
medium.com/%40s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-es-e11ca6168d35nvd

News mentions

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cvss	0.637
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000