Is CVE-2021-38526 in the CISA KEV catalog?

No. CVE-2021-38526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38526?

CVE-2021-38526 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-38526?

CVE-2021-38526 has an EPSS score of 1.02% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38526?

Upgrade rax35 firmware to 1.0.3.94 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38526

MEDIUM

4.3

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX35 before 1.0.3.94, RAX38 before 1.0.3.94, and RAX40 before 1.0.3.94.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

rax35 firmwareNVD

Affected:< 1.0.3.94Fixed in:1.0.3.94CVE-2021-38526derived from NVD

rax38 firmwareNVD

Affected:< 1.0.3.94Fixed in:1.0.3.94CVE-2021-38526derived from NVD

rax40 firmwareNVD

Affected:< 1.0.3.94Fixed in:1.0.3.94CVE-2021-38526derived 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

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.02%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% 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.