CVE-2021-35032

A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call...

CVE-2019-15801

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50AAHH.0C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware,...

CVE-2019-15803

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50AAHH.0C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fdssyspassDebugPasswdret. The...

Unspecified Vulnerability in ZyXEL GS1900 (CNVD-2019-41670)

ZyXEL GS1900 is a managed switch from ZyXEL Taiwan, China. A security vulnerability exists in the Zyxel GS1900 using firmware prior to this version 2.50AAHH.0C0. An attacker could exploit the vulnerability to decrypt a previously encrypted password...

Unspecified Vulnerability in ZyXEL GS1900

ZyXEL GS1900 is a managed switch from ZyXEL Taiwan, China. A security vulnerability exists in the Zyxel GS1900 using firmware prior to version 2.50AAHH.0C0. The vulnerability can be exploited by an attacker to obtain the management password...