CVE-2018-21191 describes a stack-based buffer overflow vulnerability affecting several NETGEAR router models, including the D6100, R6100, and R7800, among others, prior to specific firmware versions. This vulnerability can be exploited by an authenticated user on the adjacent network. With a CVSS score of 6.8 (Medium), successful exploitation could lead to high confidentiality, integrity, and availability impacts, allowing an attacker to execute arbitrary code or cause a denial of service. There is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.0.57CPE matchmatch criteria | cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.1.20CPE matchmatch criteria | cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.2.40CPE matchmatch criteria | cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.2.92CPE matchmatch criteria | cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.2.92CPE matchmatch criteria | cpe:2.3:o:netgear:wndr4300_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.