R7000 Firmware
CVE-2021-45523
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
AnalysisAI
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user. Rated medium severity (CVSS 6.5), 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 R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user. Affected products include: Netgear R7000 Firmware. Version information: before 1.0.9.42.
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
View allSame technique Buffer Overflow
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External POC / Exploit Code
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