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CVE-2021-35394

Known Exploited (CISA KEV)CRITICAL

9.8

CVSS Severity Score

EPSS Score62.1140%

EPSS Percentile98.54th

Published2021年8月16日

Last Modified2025年11月7日

Vulnerability Description

Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled as 'UDPServer' binary. The binary is affected by multiple memory corruption vulnerabilities and an arbitrary command injection vulnerability that can be exploited by remote unauthenticated attackers.

Affected Platforms (CPE)

📦

Realtek

Rtl819x Jungle Software Development Kit

>= 2.0 and <= 3.4.14b

References & Advisories

🔗 https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain

🔗 https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en

🔗 https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf

🔗 https://www.securityfocus.com/archive/1/534765

🔗 https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain

🔗 https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en

🔗 https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf

🔗 https://www.securityfocus.com/archive/1/534765

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