CVE-2026-2330
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Lifecycle Timeline
2Description
An attacker may access restricted filesystem areas on the device via the CROWN REST interface due to incomplete whitelist enforcement. Certain directories intended for internal testing were not covered by the whitelist and are accessible without authentication. An unauthenticated attacker could place a manipulated parameter file that becomes active after a reboot, allowing modification of critical device settings, including network configuration and application parameters.
Analysis
Filesystem access via CROWN REST interface on industrial device. EPSS 0.25%.
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Remediation
Within 24 hours: Identify all systems running CROWN REST interface and assess which contain sensitive data; implement network-level access controls to restrict CROWN REST traffic to trusted internal networks only. Within 7 days: Deploy WAF rules to enforce strict input validation and rate limiting on REST endpoints; conduct audit of access logs for suspicious activity. …
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External POC / Exploit Code
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