CVE-2018-6211 describes an OS command injection vulnerability in specific ISP-customized firmware versions of D-Link DIR-620 routers, stemming from improper handling of the 'res_buf' parameter in index.cgi. This high-severity flaw (CVSS 7.2) allows authenticated attackers to execute arbitrary commands with high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered community discussion, including reports of a backdoor account, and limited media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.3CPE matchmatch criteria | cpe:2.3:o:d-link:dir-620_firmware:1.0.3:*:*:*:*:*:*:* | ||
1.0.37CPE matchmatch criteria | cpe:2.3:o:d-link:dir-620_firmware:1.0.37:*:*:*:*:*:*:* | ||
1.3.1CPE matchmatch criteria | cpe:2.3:o:d-link:dir-620_firmware:1.3.1:*:*:*:*:*:*:* | ||
1.3.3CPE matchmatch criteria | cpe:2.3:o:d-link:dir-620_firmware:1.3.3:*:*:*:*:*:*:* | ||
1.3.7CPE matchmatch criteria | cpe:2.3:o:d-link:dir-620_firmware:1.3.7:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.