CVE-2019-17621

Vulnerability details

D-Link DIR-859 router contains a command execution vulnerability in the UPnP endpoint URL, /gena.cgi. Exploitation 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.

Added to CISA KEV: 2023-06-29

Ransomware campaign use: Unknown

CISA due date: 2023-07-20

Defensive guidance from CISA

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

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.