CVE-2021-34236 is a critical buffer overflow vulnerability affecting Netgear R8000 routers running firmware v1.0.4.56. An unauthenticated remote attacker can exploit this by sending a crafted POST request to '/bd_genie_create_account.cgi' with an overly long 'register_country' parameter. This allows for arbitrary code execution or a denial-of-service condition, as reflected by its CVSS score of 9.8 (Critical). Despite its high severity, there is currently no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.4.56CPE matchmatch criteria | cpe:2.3:o:netgear:r8000_firmware:1.0.4.56:*:*:*:*:*:*:* |
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.