Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-38516

29
FAUCET Score

CVE-2021-38516 is a critical vulnerability affecting numerous NETGEAR devices, stemming from a lack of proper access control at the function level. This flaw impacts a wide range of routers and mesh Wi-Fi systems, including models from the D, R, RBK, and WNR series, among others, across various firmware versions. Rated with a CVSS score of 9.8 (CRITICAL), the vulnerability can be exploited remotely over the network with low attack complexity, requiring no user interaction or prior privileges. Successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of the affected device. Currently, there is no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, which is typical for a significant percentage of reported vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.0.48CPE matchmatch criteria
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
< 1.0.0.82CPE matchmatch criteria
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
< 1.0.0.52CPE matchmatch criteria
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*
< 1.0.1.44CPE matchmatch criteria
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
< 1.0.3.43CPE matchmatch criteria
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.34%
Probability of exploitation in next 30 days
EPSS Percentile
68.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0134 is in the 55th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kb.netgear.com / 000063780/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2020-0273
Vendor Advisory