Is CVE-2021-45643 in the CISA KEV catalog?

No. CVE-2021-45643 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45643?

CVE-2021-45643 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2021-45643?

CVE-2021-45643 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45643?

Upgrade r6400v2 firmware to 1.0.4.118 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-45643

HIGH

8.2

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, and XR1000 before 1.0.0.58.

How to fix

Remediation Available

r6400v2 firmwareNVD

Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45643derived from NVD

r6700v3 firmwareNVD

Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45643derived from NVD

xr1000 firmwareNVD

Affected:< 1.0.0.58Fixed in:1.0.0.58CVE-2021-45643derived 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

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Patch1

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.