CVE-2021-33266 is a critical stack buffer overflow vulnerability affecting D-Link DIR-809 devices with firmware up to version DIR-809Ax_FW1.12WWB03_20190410. This flaw, triggered by a crafted POST request to /formVirtualApp, allows unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.12wwb03CPE matchmatch criteria | cpe:2.3:o:dlink:dir-809_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.