CVE-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') •
CVE-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 •
CVE-2023-5593
https://notcve.org/view.php?id=CVE-2023-5593
The out-of-bounds write vulnerability in the Windows-based SecuExtender SSL VPN Client software version 4.0.4.0 could allow an authenticated local user to gain a privilege escalation by sending a crafted CREATE message. La vulnerabilidad de escritura fuera de los límites en la versión 4.0.4.0 del software SecuExtender SSL VPN Client basado en Windows podría permitir que un usuario local autenticado obtenga una escalada de privilegios enviando un mensaje CREATE manipulado. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software • CWE-787: Out-of-bounds Write •
CVE-2023-35140
https://notcve.org/view.php?id=CVE-2023-35140
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device. La vulnerabilidad de administración de privilegios inadecuada en Zyxel GS1900-24EP switch firmware versión V2.70 (ABTO.5) podría permitir que un usuario local autenticado con acceso de solo lectura modifique la configuración del sistema en un dispositivo vulnerable. • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-improper-privilege-management-vulnerability-in-gs1900-series-switches • CWE-269: Improper Privilege Management •
CVE-2023-43314
https://notcve.org/view.php?id=CVE-2023-43314
The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid. La vulnerabilidad de desbordamiento del búfer en la versión de firmware V1.00(ABNK.2)b11_C0 de Zyxel PMG2005-T20B podría permitir que un atacante autenticado con privilegios de administrador provoque una condición de denegación de servicio a través de un uid manipulado. • https://github.com/Rumble00/Rumble/issues/1 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •