CVE-2016-6563 describes a critical stack buffer overflow vulnerability in several D-Link DIR routers, including models like the DIR-823 and DIR-895L. This flaw allows unauthenticated attackers to execute arbitrary code by sending specially crafted SOAP messages during the HNAP Login action, specifically targeting fields like Action, Username, and LoginPassword. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, public exploit code, including a Metasploit module, is readily available, indicating a high potential for exploitation, despite limited community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:dlink:dir-823_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:dlink:dir-822_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:dlink:dir-818l\(w\)_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:dlink:dir-895l_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:dlink:dir-890l_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.