Is CVE-2021-38515 in the CISA KEV catalog?

No. CVE-2021-38515 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38515?

CVE-2021-38515 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2021-38515?

CVE-2021-38515 has an EPSS score of 1.25% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38515?

Upgrade r6400 firmware to 1.0.4.98 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38515

HIGH

7.4

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.

How to fix

Remediation Available

r6400 firmwareNVD

Affected:< 1.0.4.98Fixed in:1.0.4.98CVE-2021-38515derived from NVD

r6700 firmwareNVD

Affected:< 1.0.4.98Fixed in:1.0.4.98CVE-2021-38515derived from NVD

r7900 firmwareNVD

Affected:< 1.0.3.18Fixed in:1.0.3.18CVE-2021-38515derived from NVD

r8000 firmwareNVD

Affected:< 1.0.4.46Fixed in:1.0.4.46CVE-2021-38515derived 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

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.25%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1

kb.netgear.com

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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.