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01 Record

CVE-2021-45573

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before

HighPUBLISHEDCNA: mitre
CNA base score8.3 CVSS v3.xCVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:U/UI:N

02 Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 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
0.47% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 40.5% 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 00:46Z4 YR AGO
Last updated
2024-08-04 04:47Z2 YR AGO
Reserved
2021-12-25
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.3)
CNA CVSS vector
CVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:U/UI:N
Weaknesses
Data version
5.1
Document digest
d945d5e8953227ac2b3ba69c5e2c90b58f760a12e652a8acea7a0847377945a6

05 Affected products

VendorProductVersionsPlatforms
netgearac2100Not specified—
netgearac2100_firmwareNot specified—
netgearac2400Not specified—
netgearac2400_firmwareNot specified—
netgearac2600Not specified—
netgearac2600_firmwareNot specified—
netgearr6260Not specified—
netgearr6260_firmwareNot specified—
netgearr6700Not specified—
netgearr6700_firmwareNot specified—
netgearr6800Not specified—
netgearr6800_firmwareNot specified—
netgearr6900Not specified—
netgearr6900_firmwareNot specified—
netgearr7450Not specified—
netgearr7450_firmwareNot specified—

06 References