CVE-2018-21111 describes a stack-based buffer overflow vulnerability affecting multiple NETGEAR router models, including the D3600, R7800, and WNDR4300, among others, prior to specific firmware versions. This flaw allows an authenticated attacker on the local network to execute arbitrary code or cause a denial of service. With a CVSS score of 6.8 (Medium), the vulnerability requires high privileges (PR:H) but has high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.0.75CPE matchmatch criteria | cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.75CPE matchmatch criteria | cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.60CPE matchmatch criteria | cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.2.52CPE matchmatch criteria | cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.4.2CPE matchmatch criteria | cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.