CVE-2026-10831
Improper Authorization of Break Signal Commands in Devices
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | moxa |
| Product | nport 6000 series |
| Published | Jun 16, 2026 |
| Last Updated | Jun 16, 2026 |
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Affected Versions
Moxa / NPort 6000 Series
1.0 ≤ 2.3
Moxa / CN2600 Series
1.0 ≤ 4.6
References
Credits
Artur Witek