CVE-2021-20173 is a high-severity command injection vulnerability affecting Netgear Nighthawk R6700 routers running firmware version 1.0.4.120. This flaw allows an authenticated attacker to inject arbitrary commands by manipulating preconfigured values during a system update check via the SOAP interface. The vulnerability has a CVSS score of 8.8, indicating a high potential for complete compromise of confidentiality, integrity, and availability, and can be exploited remotely with low attack complexity. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.4.120CPE matchmatch criteria | cpe:2.3:o:netgear:r6700_firmware:1.0.4.120:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.