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01 Record

CVE-2021-29076

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before

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 RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before

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
0.81% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 56.5% of scored records. A rank, not a probability.
NVD base score
9.6 (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:C/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
2021-03-23 06:59Z5 YR AGO
Last updated
2024-08-03 21:55Z2 YR AGO
Reserved
2021-03-23
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
3217334e183b6f8365ccfa9630c1ea33356f873079a1dd91070192f429c995bd

05 Affected products

VendorProductVersionsPlatforms
netgearrbk852Not specified—
netgearrbk852_firmwareNot specified—
netgearrbk853Not specified—
netgearrbk853_firmwareNot specified—
netgearrbk854Not specified—
netgearrbk854_firmwareNot specified—
netgearrbr850Not specified—
netgearrbr850_firmwareNot specified—
netgearrbs850Not specified—
netgearrbs850_firmwareNot specified—

06 References