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CVSS: 6.5EPSS: 0%CPEs: 44EXPL: 0

CVE-2021-45671

https://notcve.org/view.php?id=CVE-2021-45671

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6. Determinados dispositivos NETGEAR están afectados por un ataque de tipo XSS almacenado. Esto afecta a CBR40 versiones anteriores a 2.5.0.10, EAX80 versiones anteriores a 1.0.1.62, EX7500 versiones anteriores a 1.0.0.72, R7900 versiones anteriores a 1.0.4.38, R8000 versiones anteriores a 1.0.4. 68, RAX200 versiones anteriores a 1.0.4.120, RBS40V versiones anteriores a 2.6.1.4, RBW30 versiones anteriores a 2.6.1.4, MR60 versiones anteriores a 1.0.6.110, RAX20 versiones anteriores a 1.0.2.82, RAX45 versiones anteriores a 1.0.2. 72, RAX80 versiones anteriores a 1.0.4.120, MS60 versiones anteriores a 1.0.6.110, RAX15 versiones anteriores a 1.0.2.82, RAX50 versiones anteriores a 1.0.2.72, RAX75 versiones anteriores a 1.0.4.120, RBR750 versiones anteriores a 3. 2.16.6, RBR850 versiones anteriores a 3.2.16.6, RBS750 versiones anteriores a 3.2.16.6, RBS850 versiones anteriores a 3.2.16.6, RBK752 versiones anteriores a 3.2.16.6 y RBK852 versiones anteriores a 3.2.16.6 • https://kb.netgear.com/000064482/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0261 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 8.8EPSS: 0%CPEs: 88EXPL: 0

CVE-2021-34991 – NETGEAR R6400v2 UPnP uuid Stack-based Buffer Overflow Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-34991

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. • https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168 https://www.zerodayinitiative.com/advisories/ZDI-21-1303 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 8.1EPSS: 0%CPEs: 32EXPL: 0

CVE-2021-29080

https://notcve.org/view.php?id=CVE-2021-29080

Certain NETGEAR devices are affected by password reset by an unauthenticated attacker. This affects RBK852 before 3.2.10.11, RBK853 before 3.2.10.11, RBR854 before 3.2.10.11, RBR850 before 3.2.10.11, RBS850 before 3.2.10.11, CBR40 before 2.5.0.10, R7000 before 1.0.11.116, R6900P before 1.3.2.126, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.66, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, and R7000P before 1.3.2.126. Determinados dispositivos NETGEAR están afectados por un restablecimiento de contraseña por parte de un atacante no autenticado. Esto afecta al RBK852 versiones anteriores a 3.2.10.11, al RBK853 versiones anteriores a 3.2.10.11, al RBR854 versiones anteriores a 3.2.10.11, al RBR850 versiones anteriores a 3.2.10.11, al RBS850 versiones anteriores a 3.2.10.11, al CBR40 versiones anteriores a 2.5.0.10, al R7000 versiones anteriores a 1.0.11.116, al R6900P versiones anteriores a 1. 3.2.126, R7900 versiones anteriores a 1.0.4.38, R7960P versiones anteriores a 1.4.1.66, R8000 versiones anteriores a 1.0.4.66, R7900P versiones anteriores a 1.4.1.66, R8000P versiones anteriores a 1.4.1.66, RAX75 versiones anteriores a 1.0.3.102, RAX80 versiones anteriores a 1.0.3.102 y R7000P versiones anteriores a 1.3.2.126 • https://kb.netgear.com/000063007/Security-Advisory-for-Pre-authentication-Password-Reset-on-Some-Routers-and-WiFi-Systems-PSV-2019-0150 • CWE-640: Weak Password Recovery Mechanism for Forgotten Password •

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 •