CVE-2021-35393: 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 stack buffer overflow vulnerability that is present due to unsafe parsing of the UPnP SUBSCRIBE/UNSUBSCRIBE Callback header. Successful exploitation of this vulnerability allows remote unauthenticated attackers to gain arbitrary code execution on the affected device.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for this Realtek Jungle SDK vulnerability?
The vulnerability ID for this Realtek Jungle SDK vulnerability is CVE-2021-35393.
What is the severity rating of CVE-2021-35393?
CVE-2021-35393 has a severity rating of 9.8 (Critical).
What is the affected software version range for CVE-2021-35393?
The affected software range for CVE-2021-35393 is Realtek Jungle SDK version v2.x up to v3.4.14B.
What is the vulnerability type for CVE-2021-35393?
CVE-2021-35393 is a stack buffer overflow vulnerability.
Are there any references for CVE-2021-35393?
Yes, you can find references for CVE-2021-35393 at the following links: [Reference 1](https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain), [Reference 2](https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en), [Reference 3](https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf).