CVE-2019-17621 — D-Link DIR-859 Router Command Execution Vulnerability
CVE-2019-17621: D-Link DIR-859 Router Command Execution Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | D-Link |
| Product | DIR-859 Router |
| Date added | 2023-06-29 |
| Due date | 2023-07-20 |
| Ransomware campaign use | Unknown |
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
Weakness behind it
CISA records this vulnerability as an instance of CWE-78. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-17621
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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