CVE & CISA-KEV Catalog

CVE-2021-45526

HIGH
7.3
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
ex6000 firmwareNVD
Affected:< 1.0.0.38Fixed in:1.0.0.38CVE-2021-45526derived from NVD
ex6120 firmwareNVD
Affected:< 1.0.0.48Fixed in:1.0.0.48CVE-2021-45526derived from NVD
ex6130 firmwareNVD
Affected:< 1.0.0.30Fixed in:1.0.0.30CVE-2021-45526derived from NVD
r6300v2 firmwareNVD
Affected:< 1.0.4.52Fixed in:1.0.4.52CVE-2021-45526derived from NVD
r6400 firmwareNVD
Affected:< 1.0.1.52Fixed in:1.0.1.52CVE-2021-45526derived from NVD
r6900p firmwareNVD
Affected:< 1.3.2.124Fixed in:1.3.2.124CVE-2021-45526derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45526derived from NVD
r7000p firmwareNVD
Affected:< 1.3.2.124Fixed in:1.3.2.124CVE-2021-45526derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.30Fixed in:1.0.4.30CVE-2021-45526derived from NVD
r7900p firmwareNVD
Affected:< 1.4.1.50Fixed in:1.4.1.50CVE-2021-45526derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.52Fixed in:1.0.4.52CVE-2021-45526derived from NVD
r8000p firmwareNVD
Affected:< 1.4.1.50Fixed in:1.4.1.50CVE-2021-45526derived from NVD
rax75 firmwareNVD
Affected:< 1.0.3.88Fixed in:1.0.3.88CVE-2021-45526derived from NVD
rax80 firmwareNVD
Affected:< 1.0.3.88Fixed in:1.0.3.88CVE-2021-45526derived 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
IntegrityLow
AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days
36thpercentile

Low risk: more likely to be exploited than 36% 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-2021-45526
CVE-2021-45526 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.