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Cbr40 Firmware CVE-2023-36187

CRITICAL
Classic Buffer Overflow (CWE-120)
2023-09-01 cve@mitre.org
Buffer Overflow RCE Netgear Cbr40 Firmware Lax20 Firmware Mk62 Firmware Mr60 Firmware Ms60 Firmware Rbw30 Firmware R6400 Firmware R6400V2 Firmware R6700V3 Firmware R7000 Firmware R7000P Firmware Rax200 Firmware Rax75 Firmware Rax80 Firmware Rs400 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/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:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 01, 2023 - 16:15 nvd
CRITICAL 9.8

DescriptionNVD

Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd.

AnalysisAI

Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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. Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd. Affected products include: Netgear Cbr40 Firmware, Netgear Lax20 Firmware, Netgear Mk62 Firmware, Netgear Mr60 Firmware, Netgear Ms60 Firmware. Version information: version 1.0.4.118.

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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Same weakness CWE-120 – Classic Buffer Overflow

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CVE-2023-36187 vulnerability details – vuln.today
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