CVE-2018-21147 describes a stack-based buffer overflow vulnerability affecting several NETGEAR router models, including the D7800, R7500v2, R7800, R8900, R9000, WNDR4300v2, and WNDR4500v3, all requiring specific firmware versions or earlier. This vulnerability carries a CVSS v3.1 score of 6.8 (Medium), indicating that an authenticated attacker on the adjacent network could achieve high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1.34CPE matchmatch criteria | cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.3.26CPE matchmatch criteria | cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.2.42CPE matchmatch criteria | cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.3.10CPE matchmatch criteria | cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.3.10CPE matchmatch criteria | cpe:2.3:o:netgear:r9000_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.