Zyxel GS1200 series Switch Authentication Bypass Information Disclosure

The vulnerability of Zyxel GS1200 series microprogrammed software devices is related to the lack of authentication. Exploiting this vulnerability can allow a malicious actor, operating remotely, to gain unauthorized access to protected information through a specially crafted HTTP request...

CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

EUVD-2026-31779

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795

CVE-2026-4795 describes a missing authorization vulnerability in Zyxel GS1200 series switches (GS1200-5v3/8v3/5HPv3/8HPv3/10v3) up to firmware versions noted. The issue allows a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request. The co...

Zyxel GS1200 security vulnerabilities

The Zyxel GS1200 is a series of switches produced by the Chinese company Zyxel. The Zyxel GS1200 has a security vulnerability that stems from the lack of authorization verification. This vulnerability allows unauthorized attackers, based on the LAN, to read system configurations from log files...

PT-2026-54603

Уязвимость микропрограммного обеспечения коммутаторов Zyxel серии GS1200 связана с отсутствием авторизации. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, получить несанкционированный доступ к защищаемой информации с помощью специально сформированного HTTP-запроса...

PT-2026-43176

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2026-4795: Missing Authorization

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00ACPS.2C0, GS1200-8v3 firmware versions through 1.00ACPT.2C0, GS1200-5HPv3 firmware versions through 1.00ACPU.2C0, GS1200-8HPv3 firmware versions through 1.00ACPV.2C0, and GS1200-10v3 firmware versions through...

CVE-2022-0823

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack...

Zyxel GS1200 series Switch Information Disclosure

The vulnerability of Zyxel GS1200 series switch microprogramming software is related to the disclosure of information through incompatibility. Exploiting this vulnerability can allow attackers to gain unauthorized access to protected information...

CVE-2022-0823

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack...

CVE-2022-0823

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack...

CVE-2022-0823

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack...

Information disclosure

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack...

Zyxel GS1200 security vulnerabilities

The Zyxel GS1200 is a series of switches from China-based Hopkins Technology Zyxel. A security vulnerability exists in the Zyxel GS1200 series of switches that stems from an improperly controlled interaction frequency vulnerability. A local attacker can exploit the vulnerability to guess password...

CVE-2022-0823

The CVE-2022-0823 issue affects Zyxel GS1200 series switches and stems from improper control of interaction frequency, enabling a local attacker to guess passwords via a timing side-channel attack. Concrete details in connected sources confirm the affected product family and the local attack vect...