CVE-2018-17787 is a critical command injection vulnerability affecting D-Link DIR-823G devices, stemming from the GoAhead configuration's direct use of the "system" library function with POST data, allowing shell metacharacters to execute arbitrary commands. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication or user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high severity and ease of exploitation warrant attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:d-link:dir-823g_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.