CRITICAL CISA KEV

CVE-2019-17621

CVSS v3

9.8

CRITICAL

EPSS Score

93.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
6/29/2023
Patch Due Date
7/20/2023
Ransomware Use
Unknown

Technical details

Published
12/30/2019

Frequently asked questions

What is CVE-2019-17621?

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.

Is CVE-2019-17621 actively exploited?

Yes. CVE-2019-17621 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 7/20/2023.

What is the CVSS score for CVE-2019-17621?

CVE-2019-17621 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-17621 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.