CRITICAL · 9.8

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 ...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DlinkDir-859 Firmware<= 1.05b03
DlinkDir-859-
DlinkDir-822 Firmware<= 2.03b01
DlinkDir-822-
DlinkDir-823 Firmware<= 1.00b06
DlinkDir-823-
DlinkDir-865L Firmware<= 1.07b01
DlinkDir-865L-
DlinkDir-868L Firmware<= 1.12b04
DlinkDir-868L-
DlinkDir-869 Firmware<= 1.03b02
DlinkDir-869-
DlinkDir-880L Firmware<= 1.08b04
DlinkDir-880L-
DlinkDir-890L Firmware<= 1.11b01
DlinkDir-890L-
DlinkDir-890R Firmware<= 1.11b01
DlinkDir-890R-
DlinkDir-885L Firmware<= 1.12b05
DlinkDir-885L-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-17621?

CVE-2019-17621 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2019-17621?

CVE-2019-17621 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-17621?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-859 Firmware, Dlink Dir-859, Dlink Dir-822 Firmware, Dlink Dir-822, Dlink Dir-823 Firmware.