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CVSS: 8.8EPSS: 0%CPEs: 72EXPL: 0

CVE-2021-27239 – NETGEAR Multiple Routers SSDP Stack-based Buffer Overflow Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-27239

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 https://www.zerodayinitiative.com/advisories/ZDI-21-206 • CWE-121: Stack-based Buffer Overflow •

CVSS: 8.0EPSS: 0%CPEs: 56EXPL: 0

CVE-2020-35787

https://notcve.org/view.php?id=CVE-2020-35787

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.36, D7000 before 1.0.1.70, EX6200v2 before 1.0.1.78, EX7000 before 1.0.1.78, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7800 before 1.0.2.60, R8900 before 1.0.4.12, R9000 before 1.0.4.12, and XR500 before 2.3.2.40. Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer por parte de un usuario autenticado. Esto afecta a D3600 versiones anteriores a 1.0.0.76, D6000 versiones anteriores a 1.0.0.76, D6200 versiones anteriores a 1.1.00.36, D7000 versiones anteriores a 1.0.1.70, EX6200v2 versiones anteriores a 1.0.1.78, EX7000 versiones anteriores a 1.0.1.78, EX8000 versiones anteriores a 1.0.1.186, JR6150 versiones anteriores a 1.0.1.18, PR2000 versiones anteriores a 1.0.0.28, R6020 versiones anteriores a 1.0.0.42, R6050 versiones anteriores a 1.0.1.18, R6080 versiones anteriores a 1.0.0.42, R6120 versiones anteriores a 1.0.0.46, R6220 versiones anteriores a 1.1.0.80, R6260 versiones anteriores a 1.1.0.64, R6300v2 versiones anteriores a 1.0.4.34, R6700 versiones anteriores a 1.0.2.6, R6700v2 versiones anteriores a 1.2.0.36, R6800 versiones anteriores a 1.2.0.36, R6900 versiones anteriores a 1.0.2.4, R6900P versiones anteriores a 1.3.1.64, R6900v2 versiones anteriores a 1.2.0.36, R7000 versiones anteriores a 1.0.9.42, R7000P versiones anteriores a 1.3.1.64, R7800 versiones anteriores a 1.0. 2.60, R8900 versiones anteriores a 1.0.4.12, R9000 versiones anteriores a 1.0.4.12 y XR500 versiones anteriores a 2.3.2.40. • https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 9.8EPSS: 0%CPEs: 34EXPL: 0

CVE-2020-26927

https://notcve.org/view.php?id=CVE-2020-26927

Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6260 before 1.1.0.66, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R6900v2 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, R7450 before 1.2.0.62, and WNR2020 before 1.1.0.62. Determinados dispositivos NETGEAR, están afectados por una omisión de autenticación. Esto afecta a D6200 versiones anteriores a 1.1.00.40, D7000 versiones anteriores a 1.0.1.78, R6020 versiones anteriores a 1.0.0.42, R6080 versiones anteriores a 1.0.0.42, R6050 versiones anteriores a 1.0.1.26, JR6150 versiones anteriores a 1.0.1.26, R6120 versiones anteriores a 1.0.0.66, R6220 versiones anteriores a 1.1.0.100, R6260 versiones anteriores a 1.1.0.66, R6700v2 versiones anteriores a 1.2.0.62, R6800 versiones anteriores a 1.2.0.62, R6900v2 versiones anteriores a 1.2.0.62, AC2100 versiones anteriores a 1.2.0.62, AC2400 versiones anteriores a 1.2.0.62, AC2600 versiones anteriores a 1.2.0.62, R7450 versiones anteriores a 1.2.0.62 y WNR2020 versiones anteriores a 1.1.0.62 • https://kb.netgear.com/000062325/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2019-0109 •

CVSS: 6.8EPSS: 0%CPEs: 32EXPL: 0

CVE-2018-21225

https://notcve.org/view.php?id=CVE-2018-21225

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7000 before 1.0.1.60, D7800 before 1.0.1.34, D8500 before 1.0.3.39, R6700 before 1.0.1.30, R6700v2 before 1.2.0.16, R6800 before 1.2.0.16, R6900 before 1.0.1.30, R6900P before 1.2.0.22, R6900v2 before 1.2.0.16, R7000 before 1.0.9.12, R7000P before 1.2.0.22, R7500v2 before 1.0.3.20, R7800 before 1.0.2.44, R8300 before 1.0.2.106, R8500 before 1.0.2.106, and R9000 before 1.0.2.52. Determinados dispositivos de NETGEAR están afectados por una inyección de comandos por parte de un usuario autenticado. Esto afecta a D7000 versiones anteriores a 1.0.1.60, D7800 versiones anteriores a 1.0.1.34, D8500 versiones anteriores a 1.0.3.39, R6700 versiones anteriores a 1.0.1.30, R6700v2 versiones anteriores a 1.2.0.16, R6800 versiones anteriores a 1.2.0.16, R6900 versiones anteriores a 1.0.1.30, R6900P versiones anteriores a 1.2.0. 22, R6900v2 versiones anteriores a 1.2.0.16, R7000 versiones anteriores a 1.0.9.12, R7000P versiones anteriores a 1.2.0.22, R7500v2 versiones anteriores a 1.0.3.20, R7800 versiones anteriores a 1.0.2.44, R8300 versiones anteriores a 1.0.2.106, R8500 versiones anteriores a 1.0.2.106, y R9000 versiones anteriores a 1.0.2.52. • https://kb.netgear.com/000055112/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2017-2160 • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •

CVSS: 8.8EPSS: 0%CPEs: 62EXPL: 0

CVE-2018-21169

https://notcve.org/view.php?id=CVE-2018-21169

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7000 before 2018-03-01, D7800 before 1.0.1.31, D8500 before 1.0.3.36, JNR1010v2 before 1.1.0.46, JR6150 before 1.0.1.14, JWNR2010v5 before 1.1.0.46, PR2000 before 2018-03-01, R6050 before 1.0.1.14, R6220 before 1.1.0.60, R6400 before 1.1.0.26, R6400v2 before 1.0.2.46, R6700v2 before 1.2.0.2, R6800 before 1.2.0.2, R6900v2 before 1.2.0.2, R7300DST before 1.0.0.56, R7500 before 1.0.0.112, R7500v2 before 1.0.3.24, R7800 before 1.0.2.36, R7900P before 1.1.4.6, R8000P before 1.1.4.6, R8300 before 1.0.2.104, R8500 before 1.0.2.104, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.94, WNDR3700v5 before 1.1.0.50, WNDR4300 before 1.0.2.96, WNDR4300v2 before 1.0.0.52, WNDR4500v3 before 1.0.0.52, WNR1000v4 before 1.1.0.46, WNR2020 before 1.1.0.46, and WNR2050 before 1.1.0.46. Determinados dispositivos NETGEAR están afectados por la configuración incorrecta de los ajustes de seguridad. Esto afecta a D7000 antes del 01-03-2018, D7800 versiones anteriores a 1.0.1.31, D8500 versiones anteriores a 1.0.3.36, JNR1010v2 versiones anteriores a 1.1.0.46, JR6150 versiones anteriores a 1.0.1.14, JWNR2010v5 versiones anteriores a 1.1.0.46, PR2000 antes del 01-03-2018, R6050 versiones anteriores a 1.0.1.14, R6220 versiones anteriores a 1.1.0.60, R6400 versiones anteriores a 1.1.0.26, R6400v2 versiones anteriores a 1.0.2.46, R6700v2 versiones anteriores a 1.2.0.2, R6800 versiones anteriores a 1.2.0.2, R6900v2 versiones anteriores a 1.2.0.2, R7300DST versiones anteriores a 1.0.0.56, R7500 versiones anteriores a 1.0. 0.112, R7500v2 versiones anteriores a 1.0.3.24, R7800 versiones anteriores a 1.0.2.36, R7900P versiones anteriores a 1.1.4.6, R8000P versiones anteriores a 1.1.4.6, R8300 versiones anteriores a 1.0.2.104, R8500 versiones anteriores a 1.0.2.104, R9000 versiones anteriores a 1.0.2.52, WNDR3700v4 versiones anteriores a 1.0.2.94, WNDR3700v5 versiones anteriores a 1.1.0.50, WNDR4300 versiones anteriores a 1.0.2.96, WNDR4300v2 versiones anteriores a 1.0.0.52, WNDR4500v3 versiones anteriores a 1.0.0.52, WNR1000v4 versiones anteriores a 1.1.0.46, WNR2020 versiones anteriores a 1.1.0.46 y WNR2050 versiones anteriores a 1.1.0.46. • https://kb.netgear.com/000055189/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2913 •