CVE & CISA-KEV Catalog

CVE-2021-45609

CRITICAL
9.6
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
d8500 firmwareNVD
Affected:< 1.0.3.58Fixed in:1.0.3.58CVE-2021-45609derived from NVD
r6250 firmwareNVD
Affected:< 1.0.4.48Fixed in:1.0.4.48CVE-2021-45609derived from NVD
r6900p firmwareNVD
Affected:< 1.3.2.132Fixed in:1.3.2.132CVE-2021-45609derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.116Fixed in:1.0.11.116CVE-2021-45609derived from NVD
r7000p firmwareNVD
Affected:< 1.3.2.132Fixed in:1.3.2.132CVE-2021-45609derived from NVD
r7100lg firmwareNVD
Affected:< 1.0.0.64Fixed in:1.0.0.64CVE-2021-45609derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.38Fixed in:1.0.4.38CVE-2021-45609derived from NVD
r8300 firmwareNVD
Affected:< 1.0.2.144Fixed in:1.0.2.144CVE-2021-45609derived from NVD
r8500 firmwareNVD
Affected:< 1.0.2.144Fixed in:1.0.2.144CVE-2021-45609derived from NVD
xr300 firmwareNVD
Affected:< 1.0.3.68Fixed in:1.0.3.68CVE-2021-45609derived 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

1.20%probability of exploitation in 30 days
64thpercentile

Moderate risk: more likely to be exploited than 64% 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-2021-45609 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.