CVE-2021-33274 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 /formWlanSetup, allows for unauthenticated remote code execution, leading to complete compromise of the device. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector and low attack complexity. Despite its high severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal 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.