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R8000 Firmware CVE-2021-45524

CRITICAL
Classic Buffer Overflow (CWE-120)
2021-12-26 cve@mitre.org
Buffer Overflow Netgear R8000 Firmware
9.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 26, 2021 - 01:15 nvd
CRITICAL 9.1

DescriptionNVD

NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.

AnalysisAI

NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user. Affected products include: Netgear R8000 Firmware. Version information: before 1.0.4.62.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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CVE-2021-45524 vulnerability details – vuln.today
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