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01 Record

CVE-2021-45609

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64,

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 a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64,

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
1.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 68.6% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/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 00:37Z4 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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
e8fb0ff9caecfc5310ed9e96f054dd6fde11f9c0f3c9113bcff297ce5fa960e4

05 Affected products

VendorProductVersionsPlatforms
netgeard8500Not specified—
netgeard8500_firmwareNot specified—
netgearr6250Not specified—
netgearr6250_firmwareNot specified—
netgearr6900pNot specified—
netgearr6900p_firmwareNot specified—
netgearr7000Not specified—
netgearr7000_firmwareNot specified—
netgearr7000pNot specified—
netgearr7000p_firmwareNot specified—
netgearr7100lgNot specified—
netgearr7100lg_firmwareNot specified—
netgearr7900Not specified—
netgearr7900_firmwareNot specified—
netgearr8300Not specified—
netgearr8300_firmwareNot specified—
netgearr8500Not specified—
netgearr8500_firmwareNot specified—
netgearxr300Not specified—
netgearxr300_firmwareNot specified—

06 References