CVE-2021-34947 is an out-of-bounds write vulnerability in NETGEAR R7800 routers, specifically within the net-cgi component's parsing of the soap_block_table file. This flaw allows unauthenticated, network-adjacent attackers to execute arbitrary code with root privileges due to insufficient input validation. Rated 8.8 HIGH on CVSS, it poses a significant risk for complete compromise of affected devices. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1.64CPE matchmatch criteria | cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.66CPE matchmatch criteria | cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.106CPE matchmatch criteria | cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.106CPE matchmatch criteria | cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.86CPE matchmatch criteria | cpe:2.3:o:netgear:ex6200_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.