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CVE-2020-35225
https://notcve.org/view.php?id=CVE-2020-35225
10 Mar 2021 — The NSDP protocol implementation on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was not properly validating the length of string parameters sent in write requests, potentially allowing denial of service attacks. La implementación del protocolo NSDP en dispositivos NETGEAR JGS516PE/ GS116Ev2 versión v2.6.0.43, no comprobaba apropiadamente la longitud de los parámetros de cadena enviados en peticiones de escritura, potencialmente permitiendo ataques de denegación de servicio • https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
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CVE-2020-35224
https://notcve.org/view.php?id=CVE-2020-35224
10 Mar 2021 — A buffer overflow vulnerability in the NSDP protocol authentication method on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices allows remote unauthenticated attackers to force a device reboot. Una vulnerabilidad de desbordamiento de búfer en el método de autenticación del protocolo NSDP en dispositivos NETGEAR JGS516PE/GS116Ev2 versión v2.6.0.43 permite a atacantes remotos no autenticados forzar el reinicio del dispositivo • https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
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CVE-2020-35223
https://notcve.org/view.php?id=CVE-2020-35223
10 Mar 2021 — The CSRF protection mechanism implemented in the web administration panel on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices could be bypassed by omitting the CSRF token parameter in HTTP requests. El mecanismo de protección CSRF implementado en el panel de administración web de los dispositivos NETGEAR JGS516PE/GS116Ev2 versión v2.6.0.43, puede ser omitido al omitir el parámetro token CSRF en las peticiones HTTP • https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches • CWE-352: Cross-Site Request Forgery (CSRF) •
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CVE-2020-35221
https://notcve.org/view.php?id=CVE-2020-35221
10 Mar 2021 — The hashing algorithm implemented for NSDP password authentication on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was found to be insecure, allowing attackers (with access to a network capture) to quickly generate multiple collisions to generate valid passwords, or infer some parts of the original. Se encontró que el algoritmo hash implementado para la autenticación de contraseña NSDP en dispositivos NETGEAR JGS516PE/GS116Ev2 versión v2.6.0.43, era no seguro, lo cual permite a atacantes (con acceso a una ca... • https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches • CWE-326: Inadequate Encryption Strength •
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CVE-2021-27257 – NETGEAR R7800 ready-genie-cloud Improper Certificate Validation Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-27257
26 Feb 2021 — This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via FTP. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the conte... • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders • CWE-295: Improper Certificate Validation •
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CVE-2021-27256 – NETGEAR R7800 apply_save.cgi rc_service Command Injection Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-27256
26 Feb 2021 — This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the rc_service parameter provided to apply_save.cgi. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can lev... • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
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CVE-2021-27255 – NETGEAR R7800 funjsq_httpd Missing Authentication for Critical Function Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-27255
26 Feb 2021 — This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the refresh_status.aspx endpoint. The issue results from a lack of authentication required to start a service on the server. An attacker can leverage this vulnerability to execute code in the context of root. • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders • CWE-306: Missing Authentication for Critical Function •
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CVE-2021-27254 – NETGEAR Nighthawk R7800 Use of Hard-coded Password Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2021-27254
25 Feb 2021 — This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7800. Authentication is not required to exploit this vulnerability. The specific flaw exists within the apply_save.cgi endpoint. This issue results from the use of hard-coded encryption key. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders • CWE-259: Use of Hard-coded Password CWE-798: Use of Hard-coded Credentials •
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CVE-2021-27239 – NETGEAR Multiple Routers SSDP Stack-based Buffer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-27239
24 Feb 2021 — This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400 and R6700 firmware version 1.0.4.98 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the upnpd service, which listens on UDP port 1900 by default. A crafted MX header field in an SSDP message can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root... • https://kb.netgear.com/000062820/Security-Advisory-for-Stack-based-Buffer-Overflow-Remote-Code-Execution-Vulnerability-on-Some-Routers-PSV-2020-0432 • CWE-121: Stack-based Buffer Overflow •
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CVE-2021-27251 – NETGEAR Nighthawk R7800 ready-genie-cloud Insecure Download of Critical Component Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-27251
24 Feb 2021 — This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308. • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders • CWE-319: Cleartext Transmission of Sensitive Information •