What’s Vulnerable › Vulnerabilities
CVE-2019-17621: D-Link DIR-859 Router Command Execution Vulnerability
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: yes — in CISA KEV since 2023-06-29
- EPSS: 90.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-12-30 · updated 2026-06-17
- Weakness: CWE-78
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-818Lx Firmware: all versions
- D-Link DIR-822: through 2.03b01; through 3.12b04
- Dlink Dir-823 Firmware: through 1.00b06; 1.00b06-beta
- D-Link DIR-859: through 1.05b03; 1.06b01-beta1
- Dlink Dir-865L Firmware: through 1.07b01
- D-Link DIR-868L: through 1.12b04; through 2.05b02
- Dlink Dir-869 Firmware: through 1.03b02; 1.03b02-beta02
- D-Link DIR-880L: through 1.08b04
- Dlink Dir-885L Firmware: through 1.12b05
- Dlink Dir-885R Firmware: through 1.12b05
- D-Link DIR-890L: through 1.11b01; 1.11b01-beta01
- Dlink Dir-890R Firmware: through 1.11b01; 1.11b01-beta01
- Dlink Dir-895L Firmware: through 1.12b10
- Dlink Dir-895R Firmware: through 1.12b10
References
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
- https://www.dlink.com/en/security-bulletin
- https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
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