Critical severity9.6NVD Advisory· Published Dec 26, 2021· Updated Jun 17, 2026

CVE-2021-45631

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

AI Insight

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

Affected products

Netgear/Cbr40 Firmware
cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*
Range: <2.5.0.24
Netgear/Cbr750 Firmware
cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*
Range: <4.6.3.6
Netgear/Rbk752 Firmware
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
Netgear/Rbk852 Firmware
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
Netgear/Rbr750 Firmware
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
Netgear/Rbr850 Firmware
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
Netgear/Rbs750 Firmware
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
Netgear/Rbs850 Firmware
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Range: <3.2.17.12
NETGEAR/NETGEAR devicesdescription
Netgear/CBR40llm-fuzzy
Range: <2.5.0.24
Netgear/RBK752llm-fuzzy
Range: <3.2.17.12
Netgear/RBR750llm-fuzzy
Range: <3.2.17.12
Netgear/RBS750llm-fuzzy
Range: <3.2.17.12
Netgear/RBK852llm-fuzzy
Range: <3.2.17.12
Netgear/RBR850llm-fuzzy
Range: <3.2.17.12
Netgear/RBS850llm-fuzzy
Range: <3.2.17.12
Netgear/CBR750llm-fuzzy
Range: <4.6.3.6

Patches

Vulnerability mechanics

References

kb.netgear.com/000064136/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0504nvdPatchVendor Advisory

News mentions

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cvss	0.624
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000