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01 Record

CVE-2021-45593

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.2.102, RBS20 before 2.7.3.22, RBS40

HighPUBLISHEDCNA: mitre
CNA base score8.4 CVSS v3.xCVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N

02 Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.2.102, RBS20 before 2.7.3.22, RBS40

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.78% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 55.4% of scored records. A rank, not a probability.
NVD base score
6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-12-26 00:41Z4 YR AGO
Last updated
2024-08-04 04:47Z2 YR AGO
Reserved
2021-12-25
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N
Weaknesses
  • CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class
Data version
5.1
Document digest
68511fe0282418d3af0d49105180e236c895da408b27b83ddca3cfc2ffa7d8fe

05 Affected products

VendorProductVersionsPlatforms
netgearrbk20Not specified—
netgearrbk20_firmwareNot specified—
netgearrbk40Not specified—
netgearrbk40_firmwareNot specified—
netgearrbk50Not specified—
netgearrbk50_firmwareNot specified—
netgearrbr20Not specified—
netgearrbr20_firmwareNot specified—
netgearrbr40Not specified—
netgearrbr40_firmwareNot specified—
netgearrbr50Not specified—
netgearrbr50_firmwareNot specified—
netgearrbs20Not specified—
netgearrbs20_firmwareNot specified—
netgearrbs40Not specified—
netgearrbs40_firmwareNot specified—

06 References