Is CVE-2021-38539 in the CISA KEV catalog?

No. CVE-2021-38539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38539?

CVE-2021-38539 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-38539?

CVE-2021-38539 has an EPSS score of 0.82% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38539?

Upgrade d8500 firmware to 1.0.3.44 or later. Fixes are available for 12 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38539

MEDIUM

6.3

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by privilege escalation. This affects D8500 before 1.0.3.44, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.2.126, R7000 before 1.0.9.42, R7000P before 1.3.2.126, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7900 before 1.0.3.10, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.

How to fix

Remediation Available

d8500 firmwareNVD

Affected:< 1.0.3.44Fixed in:1.0.3.44CVE-2021-38539derived from NVD

r6400 firmwareNVD

Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-38539derived from NVD

r6700 firmwareNVD

Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-38539derived from NVD

r6900 firmwareNVD

Affected:< 1.0.2.4Fixed in:1.0.2.4CVE-2021-38539derived from NVD

r6900p firmwareNVD

Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-38539derived from NVD

r7000 firmwareNVD

Affected:< 1.0.9.42Fixed in:1.0.9.42CVE-2021-38539derived from NVD

r7000p firmwareNVD

Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-38539derived from NVD

r7100lg firmwareNVD

Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2021-38539derived from NVD

r7300dst firmwareNVD

Affected:< 1.0.0.70Fixed in:1.0.0.70CVE-2021-38539derived from NVD

r7900 firmwareNVD

Affected:< 1.0.3.10Fixed in:1.0.3.10CVE-2021-38539derived from NVD

r8300 firmwareNVD

Affected:< 1.0.2.130Fixed in:1.0.2.130CVE-2021-38539derived from NVD

r8500 firmwareNVD

Affected:< 1.0.2.130Fixed in:1.0.2.130CVE-2021-38539derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.82%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% 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.