CVE-2019-17621
DL
D-Link DIR-859 Router
D-Link DIR-859 Router Command Execution Vulnerability
What it is
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.
What to do
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Vendor notices and references
- supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
- nvd.nist.gov/vuln/detail/CVE-2019-17621
Description and required action as published by CISA. Full record at NVD.
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