CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- D-Link DIR-859 Router Command Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
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.
Affected products
dlink: dir-859 firmware; dlink: dir-859; dlink: dir-822 firmware; dlink: dir-822; dlink: dir-823 firmware; dlink: dir-823; dlink: dir-865l firmware; dlink: dir-865l; dlink: dir-868l firmware; dlink: dir-868l; dlink: dir-869 firmware; dlink: dir-869; dlink: dir-880l firmware; dlink: dir-880l; dlink: dir-890l firmware
References10
- supportannouncement.us.dlink.com/announcement/publication.aspx?… PatchVendor Advisory
- supportannouncement.us.dlink.com/announcement/publication.aspx?… PatchVendor Advisory
- www.dlink.com/en/security-bulletin Vendor Advisory
- supportannouncement.us.dlink.com/announcement/publication.aspx?… PatchVendor Advisory
- supportannouncement.us.dlink.com/announcement/publication.aspx?… PatchVendor Advisory
- www.dlink.com/en/security-bulletin Vendor Advisory
- packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthentic… ExploitThird Party AdvisoryVDB Entry
- medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-201… ExploitThird Party Advisory
- packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthentic… ExploitThird Party AdvisoryVDB Entry
- medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-201… ExploitThird Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 91% percentile: 100 · as of 10 November 2026
- CWE
- CWE-78
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