Chiba

**Name of the Vulnerable Software and Affected Versions** amb1 sdk (aka SDK for Ameba1) versions prior to 2022-06-20 Realtek RTL8195AM devices versions prior to 284241d70308ff2519e40afd7b284ba892c730a3 **Description** The issue occurs when there are frequent and continuous Wi-Fi connection failures in Soft AP mode, specifically during the four-way handshake. This causes the timer task and RX task to become locked. **Recommendations** For amb1 sdk versions prior to 2022-06-20, update to a version released after 2022-06-20 to resolve the issue. For Realtek RTL8195AM devices versions prior to 284241d70308ff2519e40afd7b284ba892c730a3, update to a version released after 284241d70308ff2519e40afd7b284ba892c730a3 to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** amb1 sdk versions prior to 2022-03-11 **Description** The issue is related to the mishandling of data structures for DHCP packet data in the dhcps.c file within the amb1 sdk. **Recommendations** For versions prior to 2022-03-11, update to a version released after 2022-03-11 to resolve the issue.