CVE & CISA-KEV Catalog

CVE-2021-45530

MEDIUM
4.5
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
r7000 firmwareNVD
Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45530derived from NVD
r7000p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45530derived from NVD
r7960p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45530derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.74Fixed in:1.0.4.74CVE-2021-45530derived from NVD
r8000p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45530derived from NVD
rax15 firmwareNVD
Affected:< 1.0.2.82Fixed in:1.0.2.82CVE-2021-45530derived from NVD
rax200 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45530derived from NVD
rax20 firmwareNVD
Affected:< 1.0.2.82Fixed in:1.0.2.82CVE-2021-45530derived from NVD
rax45 firmwareNVD
Affected:< 1.0.2.82Fixed in:1.0.2.82CVE-2021-45530derived from NVD
rax50 firmwareNVD
Affected:< 1.0.2.82Fixed in:1.0.2.82CVE-2021-45530derived from NVD
rax75 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45530derived from NVD
rax80 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45530derived 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

0.87%probability of exploitation in 30 days
54thpercentile

Moderate risk: more likely to be exploited than 54% 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
Embed a live status badge for CVE-2021-45530
CVE-2021-45530 severity badge

Markdown

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HTML

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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.