Technical Severity
CRITICAL
CVSS v3.1 Metrics
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
94.31
%
Predictive Probability
Percentile Rank
99.9
th
Documented as more likely to be exploited than 99.9% of known CVEs.
Detection Date
Mar 25, 2022
Remediation Due
Apr 15, 2022
CISA Catalog Active
Threat Analysis
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.
Remediation Directive
Apply updates per vendor instructions.