cve/2021/CVE-2021-30303.md

### [CVE-2021-30303](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30303)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20Electronics%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Mobile%2C%20Snapdragon%20Voice%20%26%20Music%2C%20Snapdragon%20Wired%20Infrastructure%20and%20Networking&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=APQ8009%2C%20APQ8017%2C%20APQ8064AU%2C%20APQ8096AU%2C%20AQT1000%2C%20AR7420%2C%20AR8031%2C%20AR8035%2C%20AR9380%2C%20CSR8811%2C%20CSRA6620%2C%20CSRA6640%2C%20CSRB31024%2C%20IPQ4018%2C%20IPQ4019%2C%20IPQ4028%2C%20IPQ4029%2C%20IPQ5010%2C%20IPQ5018%2C%20IPQ5028%2C%20IPQ6000%2C%20IPQ6005%2C%20IPQ6010%2C%20IPQ6018%2C%20IPQ6028%2C%20IPQ8064%2C%20IPQ8065%2C%20IPQ8068%2C%20IPQ8069%2C%20IPQ8070%2C%20IPQ8070A%2C%20IPQ8071%2C%20IPQ8071A%2C%20IPQ8072%2C%20IPQ8072A%2C%20IPQ8074%2C%20IPQ8074A%2C%20IPQ8076%2C%20IPQ8076A%2C%20IPQ8078%2C%20IPQ8078A%2C%20IPQ8173%2C%20IPQ8174%2C%20MDM9206%2C%20MDM9250%2C%20MDM9607%2C%20MDM9628%2C%20MDM9640%2C%20MDM9650%2C%20MSM8996AU%2C%20PMP8074%2C%20QCA1023%2C%20QCA2062%2C%20QCA2064%2C%20QCA2065%2C%20QCA2066%2C%20QCA4024%2C%20QCA4531%2C%20QCA6174A%2C%20QCA6175A%2C%20QCA6320%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6426%2C%20QCA6428%2C%20QCA6430%2C%20QCA6436%2C%20QCA6438%2C%20QCA6564%2C%20QCA6564A%2C%20QCA6564AU%2C%20QCA6574%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCA6584%2C%20QCA6584AU%2C%20QCA6595AU%2C%20QCA6696%2C%20QCA7500%2C%20QCA7520%2C%20QCA7550%2C%20QCA8072%2C%20QCA8075%2C%20QCA8081%2C%20QCA8337%2C%20QCA9367%2C%20QCA9377%2C%20QCA9378%2C%20QCA9379%2C%20QCA9531%2C%20QCA9558%2C%20QCA9561%2C%20QCA9563%2C%20QCA9880%2C%20QCA9882%2C%20QCA9886%2C%20QCA9887%2C%20QCA9888%2C%20QCA9889%2C%20QCA9896%2C%20QCA9898%2C%20QCA9980%2C%20QCA9984%2C%20QCA9985%2C%20QCA9986%2C%20QCA9987%2C%20QCA9988%2C%20QCA9990%2C%20QCA%20...%5Btruncated*%5D%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Stack-based%20Buffer%20Overflow%20in%20WLAN&color=brightgreen)

### Description

Possible buffer overflow due to lack of buffer length check when segmented WMI command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

#### Github
No PoCs found on GitHub currently.