📦 R6400 Firmware

by Netgear

🔍 What is R6400 Firmware?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2023-36187

CRITICAL CVSS 9.8 Sep 1, 2023

A buffer overflow vulnerability in NETGEAR R6400v2 routers allows remote unauthenticated attackers to execute arbitrary code by sending a specially crafted URL to the httpd service. This affects all R...

CVE-2021-45638

CRITICAL CVSS 9.6 Dec 26, 2021

This CVE describes a critical stack-based buffer overflow vulnerability in multiple NETGEAR router models that allows unauthenticated remote attackers to execute arbitrary code. The vulnerability affe...

CVE-2021-45611

CRITICAL CVSS 9.6 Dec 26, 2021

This CVE describes a critical buffer overflow vulnerability in multiple NETGEAR router models that allows unauthenticated remote attackers to execute arbitrary code. The vulnerability affects specific...

CVE-2021-45617

CRITICAL CVSS 9.8 Dec 26, 2021

This vulnerability allows unauthenticated attackers to execute arbitrary commands on affected NETGEAR devices via command injection. It affects multiple NETGEAR routers, extenders, and WiFi systems ru...

CVE-2021-45621

CRITICAL CVSS 9.6 Dec 26, 2021

CVE-2021-45621 is a critical command injection vulnerability affecting multiple NETGEAR routers, extenders, and WiFi systems. Unauthenticated attackers can execute arbitrary commands on affected devic...

CVE-2021-45527

CRITICAL CVSS 9.6 Dec 26, 2021

This CVE describes a post-authentication buffer overflow vulnerability in multiple NETGEAR routers, extenders, and WiFi systems. An authenticated attacker could exploit this to execute arbitrary code ...

CVE-2021-38516

CRITICAL CVSS 10.0 Aug 11, 2021

This CVE describes a missing function-level access control vulnerability in numerous NETGEAR routers, gateways, and WiFi systems. It allows attackers to bypass authentication and access administrative...

CVE-2020-35795

CRITICAL CVSS 9.8 Dec 30, 2020

This CVE describes a critical buffer overflow vulnerability in multiple NETGEAR routers, range extenders, and Orbi WiFi systems. An unauthenticated attacker can exploit this remotely to execute arbitr...

CVE-2021-34982

HIGH CVSS 8.8 May 7, 2024

This is a critical stack-based buffer overflow vulnerability in NETGEAR routers' httpd service that allows network-adjacent attackers to execute arbitrary code as root without authentication. It affec...

CVE-2022-27642

HIGH CVSS 8.8 Mar 29, 2023

This vulnerability allows network-adjacent attackers to bypass authentication on NETGEAR R6700v3 routers by exploiting incorrect string matching logic in the httpd service. Attackers can combine this ...

CVE-2022-27644

HIGH CVSS 8.8 Mar 29, 2023

CVE-2022-27644 is a certificate validation vulnerability in NETGEAR R6700v3 routers that allows network-adjacent attackers to intercept HTTPS downloads. This can lead to arbitrary code execution as ro...

CVE-2022-27646

HIGH CVSS 8.8 Mar 29, 2023

This vulnerability allows network-adjacent attackers to bypass authentication and execute arbitrary code with root privileges on NETGEAR R6700v3 routers by exploiting a stack-based buffer overflow in ...

CVE-2021-45549

HIGH CVSS 8.4 Dec 26, 2021

This vulnerability allows authenticated users to execute arbitrary commands on affected NETGEAR routers, extenders, and WiFi systems. Attackers with valid credentials can inject malicious commands thr...

CVE-2021-45526

HIGH CVSS 7.3 Dec 26, 2021

This vulnerability allows an authenticated attacker to trigger a buffer overflow on affected NETGEAR routers and extenders. Successful exploitation could lead to arbitrary code execution or device com...

CVE-2021-45529

HIGH CVSS 7.3 Dec 26, 2021

This vulnerability allows an authenticated attacker to trigger a buffer overflow on affected NETGEAR routers. Successful exploitation could lead to remote code execution or denial of service. Only use...

CVE-2021-45512

HIGH CVSS 8.6 Dec 26, 2021

This vulnerability affects multiple NETGEAR routers and extenders that use weak cryptography implementations, potentially allowing attackers to decrypt sensitive communications or bypass authenticatio...

CVE-2021-34991

HIGH CVSS 8.8 Nov 15, 2021

This is a critical buffer overflow vulnerability in NETGEAR R6400v2 routers that allows network-adjacent attackers to execute arbitrary code as root without authentication. The flaw exists in the UPnP...

CVE-2021-38515

HIGH CVSS 7.4 Aug 11, 2021

This vulnerability affects specific NETGEAR router models, allowing attackers to cause denial of service by crashing the device. Affected users include those running vulnerable firmware versions on R6...

CVE-2021-27239

HIGH CVSS 8.8 Mar 29, 2021

This vulnerability allows attackers on the same network to execute arbitrary code as root on NETGEAR R6400 and R6700 routers without authentication. The flaw exists in the upnpd service, where a craft...