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CVSS: 7.7EPSS: 0%CPEs: 38EXPL: 0

CVE-2020-27867 – NETGEAR Multiple Routers mini_httpd Command Injection Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2020-27867

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. When parsing the funjsq_access_token parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. • https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers https://www.zerodayinitiative.com/advisories/ZDI-20-1423 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •

CVSS: 8.8EPSS: 0%CPEs: 38EXPL: 0

CVE-2020-27866 – NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability

https://notcve.org/view.php?id=CVE-2020-27866

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. • https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers https://www.zerodayinitiative.com/advisories/ZDI-20-1451 • CWE-287: Improper Authentication CWE-288: Authentication Bypass Using an Alternate Path or Channel •

CVSS: 10.0EPSS: 0%CPEs: 30EXPL: 0

CVE-2020-26908

https://notcve.org/view.php?id=CVE-2020-26908

Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.36, D7000 before 1.0.1.74, PR2000 before 1.0.0.30, R6020 before 1.0.0.42, R6050 before 1.0.1.22, JR6150 before 1.0.1.22, R6080 before 1.0.0.42, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6260 before 1.1.0.64, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R69002 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 1.1.00.36, D7000 versiones anteriores a 1.0.1.74, PR2000 versiones anteriores a 1.0.0.30, R6020 versiones anteriores a 1.0.0.42, R6050 versiones anteriores a 1.0.1.22, JR6150 versiones anteriores a 1.0.1.22, R6080 versiones anteriores a 1.0.0.42, R6120 versiones anteriores a 1.0.0.66, R6220 versiones anteriores a 1.1.0.100, R6230 versiones anteriores a 1.1.0.100, R6260 versiones anteriores a 1.1.0.64, R6700v2 versiones anteriores a 1.2.0.62, R6800 versiones anteriores a 1.2.0.62, R69002 versiones anteriores a 1.2.0.62 y WNR2020 versiones anteriores a 1.1.0.62 • https://kb.netgear.com/000062346/Security-Advisory-for-Authentication-Bypass-Some-Modems-and-Routers-PSV-2019-0001 •

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: 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') •