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 Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Rtl819x_jungle_software_development_kit | Realtek | 2.0 (including) | 3.4.14b (including) |
References
- 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