CVE-2021-35394
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/08/2021
Last modified:
07/11/2025
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.
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Base Score 2.0
10.00
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:*:*:*:*:*:*:*:* | 2.0 (including) | 3.4.14b (including) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35394



