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CVSS: 8.8EPSS: 0%CPEs: 48EXPL: 0

CVE-2022-27646 – NETGEAR R6700v3 circled Stack-based Buffer Overflow Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2022-27646

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the circled daemon. A crafted circleinfo.txt file 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/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324 https://www.zerodayinitiative.com/advisories/ZDI-22-523 • CWE-121: Stack-based Buffer Overflow •

CVSS: 8.8EPSS: 0%CPEs: 48EXPL: 0

CVE-2022-27644 – NETGEAR R6700v3 Improper Certificate Validation Vulnerability

https://notcve.org/view.php?id=CVE-2022-27644

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via HTTPS. 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 context of root. • https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324 https://www.zerodayinitiative.com/advisories/ZDI-22-520 • CWE-295: Improper Certificate Validation •

CVSS: 9.8EPSS: 0%CPEs: 72EXPL: 0

CVE-2021-45527

https://notcve.org/view.php?id=CVE-2021-45527

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.54, EX7000 before 1.0.1.94, EX7500 before 1.0.0.72, R6250 before 1.0.4.48, R6300v2 before 1.0.4.52, R6400 before 1.0.1.70, R6400v2 before 1.0.4.102, R6700v3 before 1.0.4.102, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7850 before 1.0.5.68, R7900 before 1.0.4.30, R7960P before 1.4.1.68, R8000 before 1.0.4.52, RAX200 before 1.0.2.88, RBS40V before 2.6.2.4, RS400 before 1.5.1.80, XR300 before 1.0.3.56, R7000P before 1.3.2.124, R8000P before 1.4.1.68, R8500 before 1.0.2.144, RAX80 before 1.0.3.102, R6900P before 1.3.2.124, R7900P before 1.4.1.68, R8300 before 1.0.2.144, RAX75 before 1.0.3.102, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12. Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer por parte de un usuario autenticado. Esto afecta a D6220 versiones anteriores a 1.0.0.68, al D6400 versiones anteriores a 1.0.0.102, a D7000v2 versiones anteriores a 1.0.0.66, al D8500 versiones anteriores a 1.0.3.58, al DC112A versiones anteriores a 1.0.0.54, a EX7000 versiones anteriores a 1.0.1.94, a EX7500 versiones anteriores a 1.0.0.72, a R6250 versiones anteriores a 1.0.4.48, a R6300v2 versiones anteriores a 1. 0.4.52, R6400 versiones anteriores a 1.0.1.70, R6400v2 versiones anteriores a 1.0.4.102, R6700v3 versiones anteriores a 1.0.4.102, R7000 versiones anteriores a 1.0.11.116, R7100LG versiones anteriores a 1.0.0.64, R7850 versiones anteriores a 1.0.5.68, R7900 versiones anteriores a 1.0.4.30, R7960P versiones anteriores a 1.4.1.68, R8000 versiones anteriores a 1.0.4. 52, RAX200 versiones anteriores a 1.0.2.88, RBS40V versiones anteriores a 2.6.2.4, RS400 versiones anteriores a 1.5.1.80, XR300 versiones anteriores a 1.0.3.56, R7000P versiones anteriores a 1.3.2.124, R8000P versiones anteriores a 1.4.1.68, R8500 versiones anteriores a 1.0.2.144, RAX80 versiones anteriores a 1.0.3.102, R6900P versiones anteriores a 1.3.2. 124, R7900P versiones anteriores a 1.4.1.68, R8300 versiones anteriores a 1.0.2.144, RAX75 versiones anteriores a 1.0.3.102, RBR750 versiones anteriores a 3.2.17.12, RBR850 versiones anteriores a 3.2.17.12, RBS750 versiones anteriores a 3.2.17.12, RBS850 versiones anteriores a 3.2.17.12, RBK752 versiones anteriores a 3.2.17.12 y RBK852 versiones anteriores a 3.2.17.12 • https://kb.netgear.com/000064493/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0437 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

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

CVE-2021-45530

https://notcve.org/view.php?id=CVE-2021-45530

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120. Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer por parte de un usuario autenticado. Esto afecta a R7000 versiones anteriores a 1.0.11.126, a R7960P versiones anteriores a 1.4.2.84, a R8000 versiones anteriores a 1.0.4.74, a RAX200 versiones anteriores a 1.0.4.120, a R8000P versiones anteriores a 1.4.2.84, a RAX20 versiones anteriores a 1.0.2.82, a RAX45 versiones anteriores a 1.0.2.82, a RAX80 versiones anteriores a 1.0.4.120, a RAX80 versiones anteriores a 1.0.4.120. 0.2.82, RAX45 versiones anteriores a 1.0.2.82, RAX80 versiones anteriores a 1.0.4.120, R7900P versiones anteriores a 1.4.2.84, RAX15 versiones anteriores a 1.0.2.82, RAX50 versiones anteriores a 1.0.2.82 y RAX75 versiones anteriores a 1.0.4.120 • https://kb.netgear.com/000064486/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0320 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 8.4EPSS: 0%CPEs: 18EXPL: 0

CVE-2021-45535

https://notcve.org/view.php?id=CVE-2021-45535

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RAX200 before 1.0.3.106, RAX80 before 1.0.3.106, RAX75 before 1.0.3.106, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, and RBS850 before 3.2.16.6. Determinados dispositivos NETGEAR están afectados por una inyección de comandos por parte de un usuario autenticado. Esto afecta a RAX200 versiones anteriores a 1.0.3.106, RAX80 versiones anteriores a 1.0.3.106, RAX75 versiones anteriores a 1.0.3.106, RBK752 versiones anteriores a 3.2.16.6, RBR750 versiones anteriores a 3.2.16.6, RBS750 versiones anteriores a 3.2.16.6, RBK852 versiones anteriores a 3.2.16.6, RBR850 versiones anteriores a 3.2.16.6 y RBS850 versiones anteriores a 3.2.16.6 • https://kb.netgear.com/000064457/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0052 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •