What is CVE-2018-21136?

CVE-2018-21136 is a medium-severity vulnerability in NETGEAR D3600, classified under Information Disclosure. CVSS score: 4.6/10. Published 2020-04-23.

How severe is CVE-2018-21136?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Information disclosure in NETGEAR D3600

CVE-2018-21136

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.

Vulnerability class: Information Disclosure

Published 2020-04-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

kb.netgear.com/000060224/Security-Advisory-for-Sensitive-Information-Disclosure… (Vendor Advisory)

Frequently asked questions

What is CVE-2018-21136?: CVE-2018-21136 is a medium-severity vulnerability in NETGEAR D3600, classified under Information Disclosure. CVSS score: 4.6/10. Published 2020-04-23.
How severe is CVE-2018-21136?: Medium severity. CVSS v3 base score is 4.6 out of 10.