CVE-2021-38515
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98,...
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.
- Record
CVE-2021-38515- CVSS 3.1
- 7.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:N/PR:N/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-24965
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.
- Record
EUVD-2021-24965- CVSS 3.1
- 7.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:N/PR:N/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-78gh-fjr2-xgcp No score
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98,...
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.
- Record
GHSA-78gh-fjr2-xgcp- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.
- Record
CVE-2021-38515- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38515 is a high vulnerability (CVSS 7.4) in Netgear R6400 Firmware, published August 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.