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CVE Watch—

CVE-2020-9054

Zyxel Multiple NAS Devices OS Command Injection Vulnerability

CVSS

—

No CVSS

EPSS

100.0%

p100

KEV

YES

Mar 25, 2022

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d

100.0%EPSS · 30 days100.0%

2026-06-302026-07-16

KEV catalog record

Product

Zyxel / Multiple Network-Attached Storage (NAS) Devices

Vulnerability

Zyxel Multiple NAS Devices OS Command Injection Vulnerability

Added to KEV

Mar 25, 2022

Remediate by

Apr 15, 2022

Known ransomware use

No

Summary description

Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-9054

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CVECVSSEPSSKEVRExploitTitleMod.

CVE-2023-27992—

KEV—80Zyxel Multiple NAS Devices Command Injection Vulnerability—