CVSS: 5.5EPSS: 0%CPEs: 23EXPL: 0CVE-2023-37926
https://notcve.org/view.php?id=CVE-2023-37926
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device. Una vulnerabilidad de desbordamiento del búfer en las versiones de firmware: serie Zyxel ATP 4.32 a 5.37, serie USG FLEX 4.50 a 5.37, serie USG FLEX 50(W) 4.16 a 5.37, serie USG20(W)-VPN 4.16 a 5.37. Las versiones de firmware de la serie VPN 4.30 a 5.37, podrían permitir que un atacante local autenticado provoque condiciones de denegación de servicio (DoS) ejecutando el comando CLI para volcar los registros del sistema en un dispositivo afectado. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 5.5EPSS: 0%CPEs: 61EXPL: 0CVE-2023-37925
https://notcve.org/view.php?id=CVE-2023-37925
An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access system files on an affected device. Una vulnerabilidad de administración de privilegios inadecuada en el comando CLI de depuración de las versiones de firmware: serie Zyxel ATP 4.32 a 5.37, serie USG FLEX 4.50 a 5.37, serie USG FLEX 50(W) 4.16 a 5.37, serie USG20(W)-VPN 4.16 a 5.37, serie VPN 4.30 a 5.37, NWA50AX 6.29 (ABYW.2), WAC500 6.65 (ABVS.1), WAX300H 6.60 (ACHF.1) y WBE660S 6.65 ( ACGG.1). Podría permitir que un atacante local autenticado acceda a los archivos del sistema en un dispositivo afectado. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps • CWE-269: Improper Privilege Management •
CVSS: 6.1EPSS: 0%CPEs: 23EXPL: 0CVE-2023-35139
https://notcve.org/view.php?id=CVE-2023-35139
A cross-site scripting (XSS) vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50(W) series firmware versions 5.10 through 5.37, USG20(W)-VPN series firmware versions 5.10 through 5.37, and VPN series firmware versions 5.00 through 5.37, could allow an unauthenticated LAN-based attacker to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed to steal cookies when the user visits the specific CGI used for dumping ZTP logs. Una vulnerabilidad de Cross Site Scripting (XSS) en el programa CGI de las versiones de firmware: serie Zyxel ATP 5.10 a 5.37, serie USG FLEX 5.00 a 5.37, serie USG FLEX 50(W) 5.10 a 5.37, USG20(W), serie VPN 5.10 a 5.37 y serie VPN 5.00 a 5.37. Podrían permitir que un atacante basado en LAN no autenticado almacene scripts maliciosos en un dispositivo vulnerable. Un ataque XSS exitoso podría resultar en la ejecución de scripts maliciosos almacenados para robar cookies cuando el usuario visita el CGI específico utilizado para volcar registros ZTP. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 5.5EPSS: 0%CPEs: 23EXPL: 0CVE-2023-35136
https://notcve.org/view.php?id=CVE-2023-35136
An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device. Una vulnerabilidad de validación de entrada incorrecta en el paquete “Quagga” de las versiones de firmware: serie Zyxel ATP 4.32 a 5.37, serie USG FLEX 4.50 a 5.37, serie USG FLEX 50(W) 4.16 a 5.37, USG20(W)-VPN. Las versiones de firmware de la serie 4.16 a 5.37 y las versiones de firmware de la serie VPN 4.30 a 5.37 podrían permitir que un atacante local autenticado acceda a los archivos de configuración en un dispositivo afectado. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps • CWE-20: Improper Input Validation •
CVSS: 9.0EPSS: 0%CPEs: 13EXPL: 0CVE-2020-29299
https://notcve.org/view.php?id=CVE-2020-29299
Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before ZLD V4.55 week38, and NSG before 1.33 patch 4. Determinados productos Zyxel permiten una inyección de comandos por un administrador por medio de una cadena de entrada a la función chg_exp_pwd durante una acción de cambio de contraseña. Esto afecta a VPN local anterior a ZLD versión V4.39 week38, VPN Orchestrator anterior a SD-OS versión V10.03 week32, USG anterior a ZLD versión V4.39 week38, USG FLEX anterior a ZLD versión V4.55 week38, ATP anterior a ZLD versión V4.55 week38, y NSG anterior a versión 1.33 parche 4 • https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vulnerability-of-firewalls.shtml https://www.zyxel.com/us/en/support/security_advisories.shtml • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •