CVE-2018-21215

mediumpriority · track · 35EPSS 0.008 · 56 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.78% (56th) EPSS

CVSS 5.8 · medium

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-24

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, EX2700 before 1.0.1.28, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.8

v2.05.8mediumAV:A/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 6.4

v3.18.8highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.8highCVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:Nsecondary · ENISA EU

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · cve@mitre.org USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:A/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-120USprimary

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netgear d3600 firmware< 1.0.0.67nvdUScpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*
netgear d6000 firmware< 1.0.0.67nvdUScpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*
netgear d6100 firmware< 1.0.0.56nvdUScpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:*
netgear ex2700 firmware< 1.0.1.28nvdUScpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:*
netgear r7500 firmware< 1.0.3.24nvdUScpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
netgear r9000 firmware< 1.0.2.52nvdUScpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
netgear wn2000rpt firmware< 1.0.1.20nvdUScpe:2.3:o:netgear:wn2000rpt_firmware:*:*:*:*:*:*:*:*
netgear wn3000rp firmware< 1.0.2.50nvdUScpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*
netgear wn3100rp firmware< 1.0.0.56nvdUScpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:*

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 2020-04-28modified 2026-06-17

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+5654 more

references (4)

External citations — patches, advisories, analysis.

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