CVE-2021-35394

Realtek Jungle SDK Remote Code Execution Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

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.

SDK de Realtek Jungle versiones v2.x hasta v3.4.14B, proporciona una herramienta de diagnóstico llamada "MP Daemon" que normalmente es compilado como binario "UDPServer". El binario está afectado por múltiples vulnerabilidades de corrupción de memoria y una vulnerabilidad de inyección de comandos arbitrarios que puede ser explotada por atacantes no autenticados remotos.

RealTek Jungle SDK contains multiple memory corruption vulnerabilities which can allow an attacker to perform remote code execution.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-23 CVE Reserved
2021-08-16 CVE Published
2021-12-10 Exploited in Wild
2021-12-24 KEV Due Date
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-02 EPSS Updated

CWE

CAPEC

References (4)

URL	Tag	Source
https://www.securityfocus.com/archive/1/534765	Third Party Advisory

URL	Date	SRC
https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain	2024-08-04

URL	Date	SRC
https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en	2023-08-08
https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf	2023-08-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Realtek Search vendor "Realtek"		Realtek Jungle Sdk Search vendor "Realtek" for product "Realtek Jungle Sdk"				>= 2.0 <= 3.4.14b Search vendor "Realtek" for product "Realtek Jungle Sdk" and version " >= 2.0 <= 3.4.14b"		-		Affected