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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: 8.8EPSS: 0%CPEs: 26EXPL: 0

CVE-2020-28373

https://notcve.org/view.php?id=CVE-2020-28373

upnpd on certain NETGEAR devices allows remote (LAN) attackers to execute arbitrary code via a stack-based buffer overflow. This affects R6400v2 V1.0.4.102_10.0.75, R6400 V1.0.1.62_1.0.41, R7000P V1.3.2.126_10.1.66, XR300 V1.0.3.50_10.3.36, R8000 V1.0.4.62, R8300 V1.0.2.136, R8500 V1.0.2.136, R7300DST V1.0.0.74, R7850 V1.0.5.64, R7900 V1.0.4.30, RAX20 V1.0.2.64, RAX80 V1.0.3.102, and R6250 V1.0.4.44. upnpd en determinados dispositivos NETGEAR permite a atacantes remotos (LAN) ejecutar código arbitrario por medio de un desbordamiento del búfer en la región stack de la memoria. Esto afecta a R6400v2 versión V1.0.4.102_10.0.75, R6400 versión V1.0.1.62_1.0.41, R7000P versión V1.3.2.126_10.1.66, XR300 versión V1.0.3.50_10.3.36, R8000 versión V1.0.4.62, R8300 versión V1.0.2. 136, R8500 versión V1.0.2.136, R7300DST versión V1.0.0.74, R7850 versión V1.0.5.64, R7900 versión V1.0.4.30, RAX20 versión V1.0.2.64, RAX80 versión V1.0.3.102 y R6250 versión V1.0.4. 44 • https://github.com/cpeggg/Netgear-upnpd-poc • CWE-787: Out-of-bounds Write •

CVSS: 8.8EPSS: 0%CPEs: 24EXPL: 0

CVE-2017-18864

https://notcve.org/view.php?id=CVE-2017-18864

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6900 before 1.0.1.22, R7000 before 1.0.9.4, R7000P before 1.0.0.56, R6900P before 1.0.0.56, R7100LG before 1.0.0.32, R7300 before 1.0.0.54, R7900 before 1.0.1.18, R8300 before 1.0.2.104, and R8500 before 1.0.2.104. Determinados dispositivos NETGEAR están afectados por un desbordamiento de búfer por parte de un atacante no autenticado. Esto afecta a R6400 versiones anteriores a 1.0.1.24, R6400v2 versiones anteriores a 1.0.2.32, R6700 versiones anteriores a 1.0.1.22, R6900 versiones anteriores a 1.0.1.22, R7000 versiones anteriores a 1.0.9.4, R7000P versiones anteriores a 1.0.0. 56, R6900P versiones anteriores a 1.0.0.56, R7100LG versiones anteriores a 1.0.0.32, R7300 versiones anteriores a 1.0.0.54, R7900 versiones anteriores a 1.0.1.18, R8300 versiones anteriores a 1.0.2.104, y R8500 versiones anteriores a 1.0.2.104. • https://kb.netgear.com/000051495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Routers-PSV-2017-0791 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 9.6EPSS: 0%CPEs: 34EXPL: 0

CVE-2017-18853

https://notcve.org/view.php?id=CVE-2017-18853

Certain NETGEAR devices are affected by password recovery and file access. This affects D8500 1.0.3.27 and earlier, DGN2200v4 1.0.0.82 and earlier, R6300v2 1.0.4.06 and earlier, R6400 1.0.1.20 and earlier, R6400v2 1.0.2.18 and earlier, R6700 1.0.1.22 and earlier, R6900 1.0.1.20 and earlier, R7000 1.0.7.10 and earlier, R7000P 1.0.0.58 and earlier, R7100LG 1.0.0.28 and earlier, R7300DST 1.0.0.52 and earlier, R7900 1.0.1.12 and earlier, R8000 1.0.3.46 and earlier, R8300 1.0.2.86 and earlier, R8500 1.0.2.86 and earlier, WNDR3400v3 1.0.1.8 and earlier, and WNDR4500v2 1.0.0.62 and earlier. Determinados dispositivos NETGEAR están afectados por una recuperación de la contraseña y el acceso a los archivos. Esto afecta a D8500 versiones 1.0.3.27 y anteriores, DGN2200v4 versiones 1.0.0.82 y anteriores, R6300v2 versiones 1.0.4.06 y anteriores, R6400 versiones 1.0.1.20 y anteriores, R6400v2 versiones 1.0.2.18 y anteriores, R6700 versiones 1.0.1.22 y anteriores, R6900 versiones 1.0.1.20 y anteriores, R7000 versiones 1.0.7.10 y anteriores, R7000P versiones 1.0.0.58 y anteriores, R7100LG versiones 1.0.0.28 y anteriores, R7300DST versiones 1.0.0.52 y anteriores, R7900 versiones 1.0.1.12 y anteriores, R8000 versiones 1.0.3.46 y anteriores, R8300 versiones 1.0.2.86 y anteriores, R8500 versiones 1.0.2.86 y anteriores, WNDR3400v3 versiones 1.0.1.8 y anteriores, y WNDR4500v2 versiones 1.0.0.62 y anteriores. • https://kb.netgear.com/000045848/Security-Advisory-for-Password-Recovery-and-File-Access-on-Some-Routers-and-Modem-Routers-PSV-2017-0677 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

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 •