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CVE-2021-45550

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects...

6.6 Medium

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.57%Up 0.2 points since Dec 26, 2021
90%50%10%1%

What each source reports

CVE List Score used 6.6

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Record
CVE-2021-45550
CVSS 3.1
6.6 MediumCVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:R
Updated
2026-11-02
EUVDEUVD-2021-32316 6.6

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Record
EUVD-2021-32316
CVSS 3.1
6.6 MediumCVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:R
Updated
2026-11-03
GitHub AdvisoriesGHSA-hvp9-jp8f-v4wh 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 D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Record
GHSA-hvp9-jp8f-v4wh
Weakness
CWE-77
Updated
2026-11-02
NVD 6.6

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Record
CVE-2021-45550
CVSS 3.1
6.6 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1
6.8 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
5.2 MediumAV:A/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-77
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-45550 is a medium vulnerability (CVSS 6.6) in Netgear D3600 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.

References

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