High severity7.5NVD Advisory· Published Aug 16, 2021· Updated Jun 17, 2026
CVE-2021-35392
CVE-2021-35392
Description
Realtek Jungle SDK version v2.x up to v3.4.14B provides a 'WiFi Simple Config' server that implements both UPnP and SSDP protocols. The binary is usually named wscd or mini_upnpd and is the successor to miniigd. The server is vulnerable to a heap buffer overflow that is present due to unsafe crafting of SSDP NOTIFY messages from received M-SEARCH messages ST header.
Affected products
3- cpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:*:*:*:*:*:*:*:*Range: >=2.0,<=3.4.14b
- Realtek/Jungle SDKdescription
- Range: <=3.4.14B
Patches
Vulnerability mechanics
References
3- www.realtek.com/en/cu-1-en/cu-1-taiwan-ennvdBroken LinkPatchVendor Advisory
- www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdfnvdPatchVendor Advisory
- www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chainnvdBroken LinkExploitThird Party Advisory
News mentions
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