CVE-2018-21226

mediumpriority · track · 35EPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 5.8 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Certain NETGEAR devices are affected by authentication bypass. This affects JNR1010v2 before 1.1.0.48, JWNR2010v5 before 1.1.0.48, WNR1000v4 before 1.1.0.48, WNR2020 before 1.1.0.48, and WNR2050 before 1.1.0.48.

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-269USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netgear jnr1010 firmware< 1.1.0.48nvdUScpe:2.3:o:netgear:jnr1010_firmware:*:*:*:*:*:*:*:*
netgear jwnr2010 firmware< 1.1.0.48nvdUScpe:2.3:o:netgear:jwnr2010_firmware:*:*:*:*:*:*:*:*
netgear wnr1000 firmware< 1.1.0.48nvdUScpe:2.3:o:netgear:wnr1000_firmware:*:*:*:*:*:*:*:*
netgear wnr2020 firmware< 1.1.0.48nvdUScpe:2.3:o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:*
netgear wnr2050 firmware< 1.1.0.48nvdUScpe:2.3:o:netgear:wnr2050_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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references (4)

External citations — patches, advisories, analysis.

scry

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