Home / Vulnerabilities / CVE-2023-27992
CRITICAL SEVERITY
CVE-2023-27992 Zyxel · Multiple Network-Attached Storage (NAS) Devices

Zyxel Multiple NAS Devices Command Injection Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

85.69 %
Predictive Probability
Percentile Rank
99.4 th

Documented as more likely to be exploited than 99.4% of known CVEs.

Detection Date

Jun 23, 2023

Remediation Due

Jul 14, 2023

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-27992