CVE & CISA-KEV Catalog

CVE-2021-45606

MEDIUM
4.5
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RS400 before 1.5.1.80, R6400v2 before 1.0.4.118, R7000P before 1.3.3.140, RAX80 before 1.0.4.120, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, and RAX75 before 1.0.4.120.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
r6400 firmwareNVD
Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2021-45606derived from NVD
r6400v2 firmwareNVD
Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45606derived from NVD
r6700v3 firmwareNVD
Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45606derived from NVD
r6900p firmwareNVD
Affected:< 1.3.3.140Fixed in:1.3.3.140CVE-2021-45606derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45606derived from NVD
r7000p firmwareNVD
Affected:< 1.3.3.140Fixed in:1.3.3.140CVE-2021-45606derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.46Fixed in:1.0.4.46CVE-2021-45606derived from NVD
r7900p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45606derived from NVD
r7960p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45606derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.74Fixed in:1.0.4.74CVE-2021-45606derived from NVD
r8000p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45606derived from NVD
rax200 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45606derived from NVD
rax75 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45606derived from NVD
rax80 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45606derived from NVD
rs400 firmwareNVD
Affected:< 1.5.1.80Fixed in:1.5.1.80CVE-2021-45606derived 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 RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.92%probability of exploitation in 30 days
56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-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.