# CVE-2019-17621

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.

- Page: https://www.vulneraibility.com/cve/CVE-2019-17621
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2023-06-29; CISA due date 2023-07-20
- EPSS: 90.61% (percentile 99.8)
- Public exploit code: 1 Metasploit module · 1 GitHub proof of concept (first 2022-07-20)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-78
- Published: 2019-12-30

## Affected

- dlink:dir-859_firmware
- dlink:dir-822_firmware
- dlink:dir-823_firmware
- dlink:dir-865l_firmware
- dlink:dir-868l_firmware
- dlink:dir-869_firmware
- dlink:dir-880l_firmware
- dlink:dir-890l_firmware
- dlink:dir-890r_firmware
- dlink:dir-885l_firmware
- dlink:dir-885r_firmware
- dlink:dir-895l_firmware
- dlink:dir-895r_firmware
- dlink:dir-818lx_firmware

## References

- [other] https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
- [other] https://www.dlink.com/en/security-bulletin
- [other] https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
- [other] https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146
- [other] https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
- [other] https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
- [other] http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.