CVE-2018-21211 describes a critical buffer overflow vulnerability affecting numerous NETGEAR router models, allowing an unauthenticated attacker to execute arbitrary code. With a CVSS score of 8.8 (High), this vulnerability can be exploited over the adjacent network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for severe compromise remains. Organizations using affected NETGEAR devices should prioritize applying vendor-provided patches.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.0.67CPE matchmatch criteria | cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.67CPE matchmatch criteria | cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.56CPE matchmatch criteria | cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.30CPE matchmatch criteria | cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.118CPE matchmatch criteria | cpe:2.3:o:netgear:r7500_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.