D-Link DIR-859 Router
YES - ON THE CISA KEV LIST
CVE-2019-17621
D-Link DIR-859 Router Command Execution Vulnerability
overdue since 2023-07-20
D-Link: 26 entries (1.5% of all KEV entries are from this vendor); 1 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
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.
Required action (CISA)
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Notes
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147; https://nvd.nist.gov/vuln/detail/CVE-2019-17621
References
Other KEV entries for this vendor: D-Link
- CVE-2025-29635 - DIR-823X (2026-04-24)
- CVE-2022-37055 - Routers (2025-12-08)
- CVE-2020-25078 - DCS-2530L and DCS-2670L Devices (2025-08-05)
- CVE-2020-25079 - DCS-2530L and DCS-2670L Devices (2025-08-05)
- CVE-2022-40799 - DNR-322L (2025-08-05)
- CVE-2024-0769 - DIR-859 Router (2025-06-25)
- CVE-2023-25280 - DIR-820 Router (2024-09-30)
- CVE-2021-40655 - DIR-605 Router (2024-05-16)
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