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CVE-2023-41094— Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet

Quick assessment

Affected
Silicon Labs Ember ZNet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Labs EmberZNet是美国芯科科技（Silicon Labs）公司的一个完整的 Zigbee 协议软件包，包含 Silicon Labs Ember 平台上稳健可靠的网状网络应用所需的所有元素。 Silicon Labs EmberZNet 7.1.3 到 7.1.5版本、7.2.0 到 7.2.3版本、7.3及之前版本存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 10.0 · Critical EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-41094

Vulnerability Information
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Vulnerability Title
Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet
Source: CVE Program / CVE List V5
Vulnerability Description
TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet 7.1.x from 7.1.3 through 7.1.5; 7.2.x from 7.2.0 through 7.2.3; Version 7.3 and later are unaffected
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道源的不正确验证
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs EmberZNet 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs EmberZNet是美国芯科科技（Silicon Labs）公司的一个完整的 Zigbee 协议软件包，包含 Silicon Labs Ember 平台上稳健可靠的网状网络应用所需的所有元素。 Silicon Labs EmberZNet 7.1.3 到 7.1.5版本、7.2.0 到 7.2.3版本、7.3及之前版本存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silicon Labs Ember ZNet 7.1.3 ~ 7.1.5 -

II. Public POCs for CVE-2023-41094

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III. Intelligence Information for CVE-2023-41094

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Other References for CVE-2023-41094 (1)

IV. Related Vulnerabilities

Same product: Ember ZNet
Same vendor: Silicon Labs
Same weakness: CWE-940

V. Comments for CVE-2023-41094

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