CVE-2019-17621
D-Link DIR-859 Router Command Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 20 July 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 89.62% probability · 100th percentile
- CISA KEV
- Listed 29 June 2023 · due 20 July 2023
- Weakness
- CWE-78
- 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
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147; https://nvd.nist.gov/vuln/detail/CVE-2019-17621
References
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104Exploit, Third Party Advisory
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9Broken Link
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146Patch, Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147Patch, Vendor Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdfThird Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104Exploit, Third Party Advisory
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9Broken Link
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146Patch, Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147Patch, Vendor Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdfThird Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.