CVE-2019-20217 is a critical remote command execution vulnerability affecting D-Link DIR-859 routers running firmware versions 1.05 and 1.06B01 Beta01. Attackers can exploit a flaw in the ssdpcgi() function by manipulating the "urn:" field within an M-SEARCH request, allowing arbitrary OS commands to be executed due to improper handling of the SERVER_ID. This vulnerability carries a CVSS score of 9.8 (Critical), indicating a high potential for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While no public exploit code (Metasploit, Nuclei, ExploitDB) or active exploitation (KEV) has been identified, and community discussion is minimal, the severe nature of the flaw warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.05CPE matchmatch criteria | cpe:2.3:o:dlink:dir-859_firmware:1.05:*:*:*:*:*:*:* | ||
1.06b01CPE matchmatch criteria | cpe:2.3:o:dlink:dir-859_firmware:1.06b01:beta01:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
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.