CVE & CISA-KEV Catalog

CVE-2021-45528

HIGH
8.1
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, and WNR3500Lv2 before 1.2.0.62.

How to fix

Remediation Available
r6400 firmwareNVD
Affected:< 1.0.1.52Fixed in:1.0.1.52CVE-2021-45528derived from NVD
r6900 firmwareNVD
Affected:< 1.0.2.8Fixed in:1.0.2.8CVE-2021-45528derived from NVD
r7000 firmwareNVD
Affected:< 1.0.9.88Fixed in:1.0.9.88CVE-2021-45528derived from NVD
r7900 firmwareNVD
Affected:< 1.0.3.18Fixed in:1.0.3.18CVE-2021-45528derived from NVD
r7900p firmwareNVD
Affected:< 1.4.1.50Fixed in:1.4.1.50CVE-2021-45528derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.46Fixed in:1.0.4.46CVE-2021-45528derived from NVD
r8000p firmwareNVD
Affected:< 1.4.1.50Fixed in:1.4.1.50CVE-2021-45528derived from NVD
rax75 firmwareNVD
Affected:< 1.0.3.88Fixed in:1.0.3.88CVE-2021-45528derived from NVD
rax80 firmwareNVD
Affected:< 1.0.3.88Fixed in:1.0.3.88CVE-2021-45528derived from NVD
wnr3500lv2 firmwareNVD
Affected:< 1.2.0.62Fixed in:1.2.0.62CVE-2021-45528derived 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 VectorLocal
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityLow
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.55%probability of exploitation in 30 days
42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0195Medium6.8100%-Fix
CVE-2017-7269Critical9.8100%KEV-
CVE-2019-11043High8.799%KEV + RansomFix
CVE-2011-4862High10.095%-Fix
CVE-2007-5659High7.894%KEVFix
CVE-2022-3786High7.591%-Fix
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CVE-2021-45528 severity badge

Markdown

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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.