CVE-2021-45611

highpriority · track · 39EPSS 0.012 · 69 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.24% (69th) EPSS

CVSS 7.5 · high

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.6criticalAV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.6criticalCVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:Nsecondary · ENISA EU

v3.19.6criticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · cve@mitre.org USexploitability 2.8 · impact 6

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimaryCWE-120US

affected products (19)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
NETGEAR DC112A≤ 1.0.0.52fstec_bduRU
NETGEAR R6400≤ 1.0.1.68fstec_bduRU
NETGEAR R8300≤ 1.0.2.144fstec_bduRU
NETGEAR R8500≤ 1.0.2.144fstec_bduRU
NETGEAR RAX75≤ 1.0.3.106fstec_bduRU
NETGEAR WNDR3400v3≤ 1.0.1.38fstec_bduRU
NETGEAR XR300≤ 1.0.3.68fstec_bduRU
Netgear RAX200≤ 1.0.3.106fstec_bduRU
Netgear RAX80≤ 1.0.3.106fstec_bduRU
netgear dc112a firmware< 1.0.0.52nvdUScpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
netgear r6400 firmware< 1.0.1.68nvdUScpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
netgear r8300 firmware< 1.0.2.144nvdUScpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
netgear r8500 firmware< 1.0.2.144nvdUScpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
netgear rax200 firmware< 1.0.3.106nvdUScpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
netgear rax75 firmware< 1.0.3.106nvdUScpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
netgear rax80 firmware< 1.0.3.106nvdUScpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
netgear wndr3400v3 firmware< 1.0.1.38nvdUScpe:2.3:o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:*
netgear xr300 firmware< 1.0.3.68nvdUScpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-12-26modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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