Product:      NPort IAW5x50A-I/O Firmware
Version:      2.2.3 Build 21020213
Date:         02/02/2021
Company:      Moxa Inc.

Supported Moxa Product:
------------------------
NPort IAW5150A-6I/O
NPort IAW5250A-6I/O
NPort IAW5150A-12I/O
NPort IAW5250A-12I/O

Release Note:
--------------
ver2.2.3 Build 21020213
1. Improve: Prevent possible command injection on web page.
2. Bugfix: Fix goahead vulnerability which causes web crash.

ver2.2.1 Build 20063015
1. Bugfix: Fix incorrect timeshift in system time after config import.
2. Bugfix: mtconnect daemon crash when 1st device name is from number.

ver2.2 Build 20062916
1. Bugfix:  Remove to display sensitive information and use input box to 
            instead of select bar in login page.
2. Improve: Encode password field in email alert/SNMP/Auth/User table pages.
3. Improve: Add password policy page and verify password policy when changing 
	    password and login in web/console menu.
4. Bugfix:  Check user privilege when form submit in backend.
5. Improve: Add lockout function.
6. Improve: Add to configure and check the password lifetime.
7. Bugfix:  Remove user and password in cookie and add HttpOnly to ChallId in cookie. 
            Fix to generate ChallId in every login and save user agent and client IP. 
            Fix to check ChallId, user agent, and client IP in login.
8. Bugfix:  Firmware upgrade fail via serial console.

ver2.1.1 Build 20052711
1. Bugfix: Under ethernet bridge mode enabled, NPort can't enter safe mode 
           when there is a disruption in communication that exceeds the 
           specified time limit.

ver2.1 Build 20042914
1. Improve: Prevent the device to keep roaming between different AP when fast 
            roaming is disabled.
2. Improve: Modify roaming behavior. Disabling fast roaming will fix associated 
            AP until wireless disconnected.
3. Bugfix: Inconsistent result between actual DI signal and 
           DI signal sent to MQTT.
4. Bugfix: The number of DI/DO items published to Azure is different from real
           number on NPort.
5. Bugfix: The last item of DI/DO subscribe JSON message contains comma.
6. Bugfix: Item "WLAN country code" on the overview web page is supposed to 
           display CN instead of N/A. 

ver2.0 Build 19041018 (04/10/19)
1. New: Modify firmware structure for security purpose, please upgrade to 
        ver1.2 before upgrade to ver2.0.
2. New: Connects Serial Device to Azure Cloud.
3. New: Connects Serial Device to Alibaba Cloud.
4. New: Connects Serial Device to MQTT.
5. New: Connects DIO to Azure Cloud.
6. New: Connects DIO to Alibaba Cloud.
7. New: Connects DIO to MQTT.
8. Improve: Support new architecture of NPort IAW5x50A-I/O firmware.

ver1.2 Build 18103016 (10/30/18)
1. New: Support MTConnect.
2. Improve: Improve fast roaming algorithm.
3. Improve: In Real COM and TCP server mode, connection will be reset when the 
            connection numbers already reach the "max connection number".
4. Improve: Reduce TCP retransmission timeout based on "TCP alive check time".
5. Improve: Prevent the wireless connections reconnected frequently.
6. Bugfix: Cannot configure serial parameter on web console.
7. Bugfix: When fast roaming is enabled, NPort may roam to the non-selected 
           channel.
8. Bugfix: Fix goahead vulnerability(CVE-2017-17562), which causes web crash.

ver1.1 Build 17111515 (11/15/17)
1. Improve: Improve the wireless stability under low signal strength. 
2. Bugfix: When fast roaming is enabled and the wireless signal is better than
           the roaming threshold for a long time, sometimes the data may not be
           able to send out.
3. Bugfix: NPort might not respond if it received PROFINET packets when bridge
           mode is enabled.
4. Bugfix: Fix WPA2 KRACKs vulnerability which is associated with below CVE
           identifiers.
           CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080,
           CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086,
           CVE-2017-13087, and CVE-2017-13088.

ver1.0 Build 16122914 (12/29/16)
1. Newly released.