CVE-2023-4474criticalexploração observadaCWE-78

CVE-2023-4474: falha crítica em Zyxel NAS326 firmware

Publicada em 30 nov 2023 · Atualizada em 16 dez 2025

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55Vexday Risk Score

Priorize a correção. Ela exploração observada pelo VulnCheck.

ssvc Actcvss 9.8epss 30%

da publicação à arma

Publicada no NVD30 de nov.

VulnCheck+152d

The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Produtos afetados

Zyxel · NAS326 firmware Zyxel · NAS542 firmware

CVEs relacionadas — Zyxel NAS326 firmware

No mesmo produto, das mais perigosas para as menos.

CVE-2023-27992CRITICALCVE-2023-27992EPSS 82.3%KEV CVE-2024-29972CRITICALCVE-2024-29972EPSS 90.3%CVE-2024-29973CRITICALCVE-2024-29973EPSS 86.2%CVE-2023-37928HIGHCVE-2023-37928EPSS 60.2%CVE-2023-4473CRITICALCVE-2023-4473EPSS 41.3%CVE-2023-35138CRITICALCVE-2023-35138EPSS 40.0%

Referências

https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices/https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products