CVE-2021-34863 is a critical stack-based buffer overflow vulnerability affecting D-Link DAP-2020 1.01rc001 routers, allowing unauthenticated, network-adjacent attackers to execute arbitrary code with root privileges. The flaw stems from insufficient validation of user-supplied data length within the webproc endpoint's 'var:page' parameter. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its low attack complexity and complete compromise potential. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for severe impact necessitates awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.01CPE matchmatch criteria | cpe:2.3:o:dlink:dap-2020_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.