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CVE-2019-17621

Published: Dec 30, 2019Updated: Nov 7, 2025 Sources: CVE List NVD BDUCWE-78
9.8CRITICAL
NVD MITRE
EPSS Score
89.6%
Top 0.2%
CISA KEV
Active Exploitation
Since Jun 29, 2023
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an Unauthenticated remote attacker to execute system commands as root, by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service when connecting to the local network.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

D-Link Corp.
commercial·TWaka dlink, d-link international, d-link corporation
dir-859 firmware
Networking Infrastructure
dir-822 firmware
Networking Infrastructure
dir-823 firmware
Networking Infrastructure
dir-865l firmware
Networking Infrastructure
dir-868l firmware
Networking Infrastructure
dir-869 firmware
Networking Infrastructure
dir-880l firmware
Networking Infrastructure
dir-890l firmware
Networking Infrastructure
and 18 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jun 29, 2023
Remediation due:Jul 20, 2023

Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
ftc.gov
https://www.dlink.com/en/security-bulletin
dlink.com
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
supportannouncement.us.dlink.com
and 6 more references View all →

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