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01 Record

CVE-2021-45628

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 3.2.18.2, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12,

CriticalPUBLISHEDCNA: mitre
CNA base score9.6 CVSS v3.xCVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N

02 Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 3.2.18.2, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12,

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
0.82% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 56.9% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/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 00:33Z4 YR AGO
Last updated
2024-08-04 04:47Z2 YR AGO
Reserved
2021-12-25
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Critical (CVSS 9.6)
CNA CVSS vector
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
Weaknesses
  • CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class
Data version
5.1
Document digest
900274ade6dd35cc72b340a08a8d6d3f931404ec2e21c8ec7633eaf170fc57cb

05 Affected products

VendorProductVersionsPlatforms
netgearcbr40Not specified—
netgearcbr40_firmwareNot specified—
netgearcbr750Not specified—
netgearcbr750_firmwareNot specified—
netgearrbk752Not specified—
netgearrbk752_firmwareNot specified—
netgearrbk852Not specified—
netgearrbk852_firmwareNot specified—
netgearrbr750Not specified—
netgearrbr750_firmwareNot specified—
netgearrbr850Not specified—
netgearrbr850_firmwareNot specified—
netgearrbs40vNot specified—
netgearrbs40v_firmwareNot specified—
netgearrbs750Not specified—
netgearrbs750_firmwareNot specified—
netgearrbs850Not specified—
netgearrbs850_firmwareNot specified—
netgearrbw30Not specified—
netgearrbw30_firmwareNot specified—

06 References