High severity8.4NVD Advisory· Published Dec 26, 2021· Updated Jun 17, 2026

CVE-2021-45554

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Netgear/R6400 Firmware
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
Range: <1.0.1.74
Netgear/R6400v2 Firmware
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*
Range: <1.0.4.118
Netgear/R6700v3 Firmware
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*
Range: <1.0.4.118
Netgear/R6900p Firmware
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
Range: <1.3.3.140
Netgear/R7000 Firmware
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
Range: <1.0.11.126
Netgear/R7000p Firmware
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
Range: <1.3.3.140
Netgear/R8000 Firmware
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
Range: <1.0.4.74
NETGEAR/NETGEAR devicesdescription
Netgear/R8000llm-fuzzy
Range: <1.0.4.74
Netgear/R6400llm-fuzzy
Range: <1.0.1.74
Netgear/R7000Pllm-fuzzy
Range: <1.3.3.140
Netgear/R6700v3llm-fuzzy
Range: <1.0.4.118
Netgear/R7000llm-fuzzy
Range: <1.0.11.126
Netgear/R6900Pllm-fuzzy
Range: <1.3.3.140
Netgear/R6400v2llm-fuzzy
Range: <1.0.4.118

Patches

Vulnerability mechanics

References

kb.netgear.com/000064119/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0187nvdPatchVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.546
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000