CVE-2021-38527

highpriority · track · 40EPSS 0.017 · 77 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.69% (77th) EPSS

CVSS 10 · high

Is it mine?

36 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-24

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.14, EX6100v2 before 1.0.1.98, EX6150v2 before 1.0.1.98, EX6250 before 1.0.0.132, EX6400 before 1.0.2.158, EX6400v2 before 1.0.0.132, EX6410 before 1.0.0.132, EX6420 before 1.0.0.132, EX7300 before 1.0.2.158, EX7300v2 before 1.0.0.132, EX7320 before 1.0.0.132, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, R7800 before 1.0.2.78, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V before 2.6.2.4, RBS50Y before 2.6.1.40, RBW30 before 2.6.2.2, and XR500 before 2.3.2.114.

cvss

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

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

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

v3.18.1highCVSS:3.1/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/UI:Nsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · cve@mitre.org USexploitability 2.8 · impact 5.2

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-77USprimary

affected products (36)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netgear cbr40 firmware< 2.5.0.14nvdUScpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*
netgear ex6100 firmware< 1.0.1.98nvdUScpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*
netgear ex6150 firmware< 1.0.1.98nvdUScpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*
netgear ex6250 firmware< 1.0.0.132nvdUScpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:*
netgear ex6400 firmware< 1.0.0.132nvdUScpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*
netgear ex6400 firmware< 1.0.2.158nvdUScpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*
netgear ex6410 firmware< 1.0.0.132nvdUScpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:*
netgear ex6420 firmware< 1.0.0.132nvdUScpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:*
netgear ex7300 firmware< 1.0.2.158nvdUScpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*
netgear ex7320 firmware< 1.0.0.132nvdUScpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:*
netgear ex7700 firmware< 1.0.0.216nvdUScpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:*
netgear ex8000 firmware< 1.0.1.232nvdUScpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:*
netgear r7800 firmware< 1.0.2.78nvdUScpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
netgear rbk12 firmware< 2.6.1.44nvdUScpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:*
netgear rbk20 firmware< 2.6.1.38nvdUScpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:*
netgear rbk40 firmware< 2.6.1.38nvdUScpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:*
netgear rbk50 firmware< 2.6.1.40nvdUScpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*
netgear rbk752 firmware< 3.2.16.6nvdUScpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
netgear rbk852 firmware< 3.2.16.6nvdUScpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*

showing 20 of 36

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-08-11modified 2026-06-17

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+4581 more

references (4)

External citations — patches, advisories, analysis.

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