CVE-2021-35394 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain https://www.securityfocus.com/archive/1/534765 https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8