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Vulnerability record · CVE-2019-20216 · published 29 January 2020

CVE-2019-20216: Dlink dir-859 firmware os command injection vulnerability

Dlink · Dir 859 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 3.7% · top 10.2% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 10.0
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147 PatchVendor 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
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-0769D-Link DIR-859 hedwig.cgi path traversal via service argumentCVE-2024-0769 is a path traversal flaw in the HTTP POST handler of /hedwig.cgi on D-Link DIR-859 firmware 1.06B01, where the 'service' argument can b…KEVEPSS 83%analysed9.8CVE-2019-17621D-Link DIR-859 UPnP gena.cgi unauthenticated command injectionThe UPnP endpoint /gena.cgi on D-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 fails to sanitize input in an HTTP SUBSCRIBE request, allowing OS comm…KEVEPSS 91%analysed9.8CVE-2023-36092Dlink dir-859 firmware incorrect authorization vulnerabilityAuthentication Bypass vulnerability in D-Link DIR-859 FW105b03 allows remote attackers to gain escalated privileges via via phpcgi_main. NOTE: This v…EPSS 1.7%9.8CVE-2019-20217Dlink dir-859 firmware os command injection vulnerabilityD-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…EPSS 3.6%9.8CVE-2019-20215D-Link DIR-859 ssdpcgi OS command injection via M-SEARCH urnD-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 mishandle the HTTP_ST value in ssdpcgi() in /htdocs/cgibin, allowing OS command injection. The urn: s…EPSS 75%analysed7.5CVE-2019-20213Dlink dir-859 firmware injection vulnerabilityD-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a value, as demonstrated by vpnc…EPSS 2.2%5.5CVE-2022-25106Dlink dir-859 firmware out-of-bounds write vulnerabilityD-Link DIR-859 v1.05 was discovered to contain a stack-based buffer overflow via the function genacgi_main. This vulnerability allows attackers to ca…EPSS 8.6%8.6CVE-2026-111560Barracuda email security gateway 300 firmware os command injection vulnerabilityImproper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common Barracuda co…KEVEPSS 9.1%

Source: NIST National Vulnerability Database (record CVE-2019-20216), CISA KEV, FIRST EPSS (scores of 2026-11-13). This page is refreshed as NVD updates the record.