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CVE-2023-27992: Zyxel Multiple NAS Devices Command Injection Vulnerability
Zyxel Multiple Network-Attached Storage (NAS) Devices · in CISA KEV since 2023-06-23
2023-06-23added to KEV
2023-07-14federal remediation due date
83.79%EPSS exploit probability (30 days) 99.7th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
4days from NVD publication to KEV
What it is
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-78 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2023-06-19 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-27992.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.