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01 Record

CVE-2021-45528

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900

HighPUBLISHEDCNA: mitre
CNA base score8.1 CVSS v3.xCVSS:3.1/AC:L/AV:L/A:H/C:L/I:H/PR:H/S:C/UI:N

02 Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900

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
0.56% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 46.7% of scored records. A rank, not a probability.
NVD base score
7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/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 00:57Z4 YR AGO
Last updated
2024-08-04 04:39Z2 YR AGO
Reserved
2021-12-25
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AC:L/AV:L/A:H/C:L/I:H/PR:H/S:C/UI:N
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
7ce6b53418ea23fcd5452a09a1b0971d0ac4201bd14a905a89b1b2cebaeee404

05 Affected products

VendorProductVersionsPlatforms
netgearr6300v2Not specified—
netgearr6300v2_firmwareNot specified—
netgearr6400Not specified—
netgearr6400_firmwareNot specified—
netgearr6900Not specified—
netgearr6900_firmwareNot specified—
netgearr7000Not specified—
netgearr7000_firmwareNot specified—
netgearr7900Not specified—
netgearr7900_firmwareNot specified—
netgearr7900pNot specified—
netgearr7900p_firmwareNot specified—
netgearr8000Not specified—
netgearr8000_firmwareNot specified—
netgearr8000pNot specified—
netgearr8000p_firmwareNot specified—
netgearrax75Not specified—
netgearrax75_firmwareNot specified—
netgearrax80Not specified—
netgearrax80_firmwareNot specified—
netgearwnr3500lv2Not specified—
netgearwnr3500lv2_firmwareNot specified—

06 References