CVE-2021-45554
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects...
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
- Record
CVE-2021-45554- CVSS 3.1
- 8.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32320
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
- Record
EUVD-2021-32320- CVSS 3.1
- 8.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wv6j-67wp-9cm3 No score
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects...
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
- Record
GHSA-wv6j-67wp-9cm3- Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
- Record
CVE-2021-45554- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.2 Medium
AV:A/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-77
- 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-2021-45554 is a high vulnerability (CVSS 8.4) in Netgear R6400 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.