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Vulnerability record · CVE-2020-15893 · published 22 July 2020

CVE-2020-15893: Dlink dir-816l firmware os command injection vulnerability

Dlink · Dir 816l Firmware

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

9.8 CVSS 3.1 Critical EPSS 21% · top 2.5% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 7.5
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

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://research.loginsoft.com/bugs/multiple-vulnerabilities-discovered-in-the-d-link-firmware-dir-816l/ ExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169 PatchVendor Advisory
https://research.loginsoft.com/bugs/multiple-vulnerabilities-discovered-in-the-d-link-firmware-dir-816l/ ExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169 PatchVendor Advisory

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Related vulnerabilities

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

9.8CVE-2022-28956Dlink dir-816l firmware vulnerabilityAn issue in the getcfg.php component of D-Link DIR816L_FW206b01 allows attackers to access the device via a crafted payload.EPSS 23%8.9CVE-2025-13188Dlink dir-816l firmware memory buffer overflow vulnerabilityA vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /aut…EPSS 2.4%7.5CVE-2022-28955Dlink dir-816l firmware improper authentication vulnerabilityAn access control issue in D-Link DIR816L_FW206b01 allows unauthenticated attackers to access folders folder_view.php and category_view.php.EPSS 40%7.5CVE-2020-15894Dlink dir-816l firmware missing authentication for critical function vulnerabilityAn issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. There exists an exposed administration function in getcfg.php, which can…EPSS 1.7%7.5CVE-2019-7642Dlink dir-817lw firmware missing authentication for critical function vulnerabilityD-Link routers with the mydlink feature have some web interfaces without authentication requirements. An attacker can remotely obtain users' DNS quer…EPSS 2.6%7.4CVE-2025-13190Dlink dir-816l firmware memory buffer overflow vulnerabilityA vulnerability was found in D-Link DIR-816L 2_06_b09_beta. This vulnerability affects the function scandir_main of the file /portal/__ajax_exporer.s…EPSS 0.82%7.4CVE-2025-13191Dlink dir-816l firmware memory buffer overflow vulnerabilityA vulnerability was determined in D-Link DIR-816L 2_06_b09_beta. This issue affects the function soapcgi_main of the file /soap.cgi. This manipulatio…EPSS 0.90%7.4CVE-2025-13189Dlink dir-816l firmware memory buffer overflow vulnerabilityA vulnerability has been found in D-Link DIR-816L 2_06_b09_beta. This affects the function genacgi_main of the file gena.cgi. The manipulation of the…EPSS 0.90%

Source: NIST National Vulnerability Database (record CVE-2020-15893), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.