CVE-2025-13824
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.
Risk Assessment
The risk includes controller unavailability, which could lead to disruptions in industrial processes and require manual intervention to restore operation.
Recommendation
It is recommended to update the controller firmware to a version that includes the fix. Also, limit the controller's exposure to untrusted networks and monitor for unusual packets.
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Original NVD description (English source)
A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.

