Is CVE-2021-38528 in the CISA KEV catalog?

No. CVE-2021-38528 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38528?

CVE-2021-38528 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2021-38528?

CVE-2021-38528 has an EPSS score of 1.99% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38528?

Upgrade d8500 firmware to 1.0.3.58 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38528

CRITICALEPSS 78th pctl

9.6

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

CWE-77Command Injection

How to fix

Remediation Available

d8500 firmwareNVD

Affected:< 1.0.3.58Fixed in:1.0.3.58CVE-2021-38528derived from NVD

r6900p firmwareNVD

Affected:< 1.3.2.132Fixed in:1.3.2.132CVE-2021-38528derived from NVD

r7000p firmwareNVD

Affected:< 1.3.2.132Fixed in:1.3.2.132CVE-2021-38528derived from NVD

r7100lg firmwareNVD

Affected:< 1.0.0.64Fixed in:1.0.0.64CVE-2021-38528derived from NVD

wndr3400 firmwareNVD

Affected:< 1.0.1.38Fixed in:1.0.1.38CVE-2021-38528derived from NVD

xr300 firmwareNVD

Affected:< 1.0.3.56Fixed in:1.0.3.56CVE-2021-38528derived 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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.99%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Vendor Advisory1

kb.netgear.com

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	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.