CVE-2019-17621 is a critical unauthenticated remote command execution vulnerability affecting D-Link DIR-859 Wi-Fi routers (versions 1.05 and 1.06B01 Beta01). An attacker can exploit this by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service on the local network, gaining root-level access. With a CVSS score of 9.8 (Critical), this vulnerability allows for complete compromise of confidentiality, integrity, and availability without user interaction or authentication. This CVE is actively exploited, listed in CISA's KEV catalog, and has a publicly available Metasploit module, indicating a high risk of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.05b03CPE matchmatch criteria | cpe:2.3:o:dlink:dir-859_firmware:*:*:*:*:*:*:*:* | ||
1.06b01CPE matchmatch criteria | cpe:2.3:o:dlink:dir-859_firmware:1.06b01:beta1:*:*:*:*:*:* | ||
<= 2.03b01CPE matchmatch criteria | cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:* | ||
<= 3.12b04CPE matchmatch criteria | cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:* | ||
<= 1.00b06CPE matchmatch criteria | cpe:2.3:o:dlink:dir-823_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.