PT-2022-22132 · Realtek · Amb1 Sdk+1

Chiba · Published 2022-09-27 · Updated 2022-10-15 · CVE-2022-34326

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2022-34326

Affected Products

Rtl8195Am

Amb1 Sdk

References · 4

• https://realtek.com/en · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-34326 · Security Note
• https://osv.dev/vulnerability/CVE-2022-34326 · Vendor Advisory
• https://amebaiot.com/en/security_bulletin/cve-2022-34326 · Note