CVE Watch—

CVE-2023-33009

Zyxel Multiple Firewalls Buffer Overflow Vulnerability

CVSS

—

Sem CVSS

EPSS

28.1%

p98

KEV

SIM

5 de jun. de 2023

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

28.1%EPSS · 30 dias28.1%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

Zyxel / Multiple Firewalls

Vulnerabilidade

Zyxel Multiple Firewalls Buffer Overflow Vulnerability

Adicionado ao KEV

5 de jun. de 2023

Corrigir até

26 de jun. de 2023

Uso conhecido em ransomware

Não

Descrição resumida

Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the notification function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.

Ação necessária

Apply updates per vendor instructions.

Notas

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls; https://nvd.nist.gov/vuln/detail/CVE-2023-33009

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