CVE-2021-28143 is a high-severity authenticated command injection vulnerability affecting D-Link DIR-841 routers running firmware versions 3.03 and 3.04. An authenticated attacker on the local network can exploit this flaw via the /jsonrpc endpoint, specifically through the ping, ping6, or traceroute functions under System Tools, to execute arbitrary commands. This allows for complete compromise of confidentiality, integrity, and availability. Despite its high CVSS score of 8.0 and significant FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code, or community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.03CPE matchmatch criteria | cpe:2.3:o:dlink:dir-841_firmware:3.03:*:*:*:*:*:*:* | ||
3.04CPE matchmatch criteria | cpe:2.3:o:dlink:dir-841_firmware:3.04:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/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, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.