CVE-2021-35392: Buffer Overflow
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 miniupnpd 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 Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2021-35392?
CVE-2021-35392 is a vulnerability in Realtek Jungle SDK that allows for a heap buffer overflow due to unsafe crafting.
What is the severity of CVE-2021-35392?
CVE-2021-35392 has a severity value of 7.5, which is considered high.
Which software versions are affected by CVE-2021-35392?
Realtek Jungle SDK versions v2.x up to v3.4.14B are affected by CVE-2021-35392.
How can I fix CVE-2021-35392?
To fix CVE-2021-35392, it is recommended to update Realtek Jungle SDK to a version beyond v3.4.14B.
Where can I find more information about CVE-2021-35392?
You can find more information about CVE-2021-35392 in the references provided: 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.