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CVE-2019-19194

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Telink Semiconductor BLE SDK是中国泰凌微（Telink Semiconductor）公司的一款应用程序。 多款Telink Semiconductor产品中的BLE SDK的Bluetooth Low Energy Secure Manager Protocol(SMP)存在安全漏洞。攻击者可利用该漏洞对受保护的GATT服务数据进行任意读/写操作，导致设备崩溃，或可能控制设备的功能。以下产品及版本受到影响：Telink Semiconductor TLSR8258 BLE SD

AI Predicted 8.1 Difficulty: Moderate EPSS 1.00% · P61
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I. Basic Information for CVE-2019-19194

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices installs a zero long term key (LTK) if an out-of-order link-layer encryption request is received during Secure Connections pairing. An attacker in radio range can have arbitrary read/write access to protected GATT service data, cause a device crash, or possibly control a device's function by establishing an encrypted session with the zero LTK.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Telink Semiconductor产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telink Semiconductor BLE SDK是中国泰凌微（Telink Semiconductor）公司的一款应用程序。 多款Telink Semiconductor产品中的BLE SDK的Bluetooth Low Energy Secure Manager Protocol(SMP)存在安全漏洞。攻击者可利用该漏洞对受保护的GATT服务数据进行任意读/写操作，导致设备崩溃，或可能控制设备的功能。以下产品及版本受到影响：Telink Semiconductor TLSR8258 BLE SD
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
- n/a n/a -

II. Public POCs for CVE-2019-19194

# POC Description Source Link Shenlong Link
1 A writeup and theoretical Proof-of-Concept for CVE-2019-19194 https://github.com/louisabricot/writeup-cve-2019-19194 POC Details
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III. Intelligence Information for CVE-2019-19194

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Security Blog Posts for CVE-2019-19194 (1)

Other References for CVE-2019-19194 (1)

Same Patch Batch · n/a · 2020-02-12 · 51 CVEs total

CVE-2019-19196 多款Telink Semiconductor产品 缓冲区错误漏洞
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CVE-2013-4090 Varnish HTTP cache 安全漏洞
CVE-2013-3685 Sprite Software Spritebud和Backup 竞争条件问题漏洞
CVE-2013-6236 IZON IP 信任管理问题漏洞

Showing top 20 of 51 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-19194

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