CISA Known Exploited Vulnerability

CVE-2023-27992

Zyxel · Multiple Network-Attached Storage (NAS) Devices

Zyxel Multiple NAS Devices Command Injection Vulnerability

Date added 2023-06-23

BOD 22-01 due date 2023-07-14

CWE CWE-78

Ransomware Unknown

CISA description

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

Apply updates per vendor instructions.

Notes & references

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products
https://nvd.nist.gov/vuln/detail/CVE-2023-27992

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

RA-5 · Vulnerability Monitoring and Scanning
SI-2 · Flaw Remediation
CM-6 · Configuration Settings
SI-7 · Software, Firmware, and Information Integrity
CM-8 · System Component Inventory

External lookups

NVD · CVE-2023-27992
CVE.org · CVE-2023-27992
CISA KEV catalog (canonical)