CVE-2018-21097

highpriority · track · 39EPSS 0.012 · 68 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 7.5 · high

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WAC120 before 2.1.7, WN604 before 3.3.10, WNAP320 before 3.7.11.4, WNAP210v2 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, and WND930 before 2.1.5.

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 · 7.1–9.8

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

v3.07.1highCVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:N/S:U/UI:Rsecondary · ENISA EU

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:Nsecondary · cve@mitre.org USexploitability 2.8 · impact 4.2

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-787USprimary

affected products (12)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netgear wac120 firmware< 2.1.7nvdUScpe:2.3:o:netgear:wac120_firmware:*:*:*:*:*:*:*:*
netgear wac505 firmware< 5.0.5.4nvdUScpe:2.3:o:netgear:wac505_firmware:*:*:*:*:*:*:*:*
netgear wac510 firmware< 5.0.5.4nvdUScpe:2.3:o:netgear:wac510_firmware:*:*:*:*:*:*:*:*
netgear wn604 firmware< 3.3.10nvdUScpe:2.3:o:netgear:wn604_firmware:*:*:*:*:*:*:*:*
netgear wnap210 firmware< 3.7.11.4nvdUScpe:2.3:o:netgear:wnap210_firmware:*:*:*:*:*:*:*:*
netgear wnap320 firmware< 3.7.11.4nvdUScpe:2.3:o:netgear:wnap320_firmware:*:*:*:*:*:*:*:*
netgear wnd930 firmware< 2.1.5nvdUScpe:2.3:o:netgear:wnd930_firmware:*:*:*:*:*:*:*:*
netgear wndap350 firmware< 3.7.11.4nvdUScpe:2.3:o:netgear:wndap350_firmware:*:*:*:*:*:*:*:*
netgear wndap360 firmware< 3.7.11.4nvdUScpe:2.3:o:netgear:wndap360_firmware:*:*:*:*:*:*:*:*
netgear wndap620 firmware< 2.1.7nvdUScpe:2.3:o:netgear:wndap620_firmware:*:*:*:*:*:*:*:*
netgear wndap660 firmware< 3.7.11.4nvdUScpe:2.3:o:netgear:wndap660_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 2020-04-27modified 2026-06-17

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+16138 more

references (4)

External citations — patches, advisories, analysis.

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