Is CVE-2018-21216 in the CISA KEV catalog?

No. CVE-2018-21216 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-21216?

CVE-2018-21216 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-21216?

CVE-2018-21216 has an EPSS score of 0.69% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-21216?

Upgrade d3600 firmware to 1.0.0.67 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-21216

HIGH

8.8

CVSS v3

NVD

Description

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, and R6100 before 1.0.1.20.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

d3600 firmwareNVD

Affected:< 1.0.0.67Fixed in:1.0.0.67CVE-2018-21216derived from NVD

d6000 firmwareNVD

Affected:< 1.0.0.67Fixed in:1.0.0.67CVE-2018-21216derived from NVD

d6100 firmwareNVD

Affected:< 1.0.0.56Fixed in:1.0.0.56CVE-2018-21216derived from NVD

r6100 firmwareNVD

Affected:< 1.0.1.20Fixed in:1.0.1.20CVE-2018-21216derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory1

kb.netgear.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.