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R6250 Firmware CVE-2023-34563

CRITICAL
Classic Buffer Overflow (CWE-120)
2023-06-20 cve@mitre.org
Buffer Overflow Netgear R6250 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
Jun 20, 2023 - 21:15 nvd
CRITICAL 9.8

DescriptionNVD

netgear R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication.

AnalysisAI

netgear R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and 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 R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication. Affected products include: Netgear R6250 Firmware. Version information: Version 1.0.4.48.

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-2016-6366 HIGH POC
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CVE-2013-1331 HIGH
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CVE-2013-0641 HIGH
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CVE-2017-15222 CRITICAL POC
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CVE-2012-2763 HIGH POC
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Same technique Buffer Overflow

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CVE-2017-7269 CRITICAL POC
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CVE-2015-5119 CRITICAL POC
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CVE-2009-0927 HIGH POC
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CVE-2023-34563 vulnerability details – vuln.today
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