CVE-2026-10831
MediumCVSS 6.9Summary
A denial-of-service vulnerability exists in NPort devices due to improper access control on the command port. The command interface does not properly validate whether a sender is associated with a valid data port session before accepting break signal commands.
Risk Assessment
A remote attacker with network access can send crafted requests to disrupt serial communication for an active user session, potentially leading to service outages.
Recommendation
It is recommended to implement proper access control mechanisms and monitor network traffic to detect and block unauthorized access attempts.
Original NVD description (English source)
A denial-of-service vulnerability exists in NPort devices because of improper access control on the command port. The command interface does not properly validate whether a sender is associated with a valid data port session before accepting break signal commands. A remote attacker with network access can send crafted requests to disrupt serial communication for an active user session.