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BlackVue DR750-2CH LTE firmware version 1.012_2022.10.26 does not verify the authenticity of uploaded firmware. An attacker can upload crafted firmware containing a backdoor, resulting in arbitrary code execution on the affected device.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository provides a comprehensive exploitation toolkit for multiple vulnerabilities in BlackVue DR750 (and similar) dashcams, including: - Unauthenticated firmware upgrade via FOTA (Firmware Over The Air) service on TCP port 9771, allowing remote upload of custom firmware images (potential for persistent RCE). - Python script (software/fota/fota.py) to interact with the FOTA service, supporting ping, restart, get time, and firmware upload commands. - Tools and instructions for crafting malicious firmware images, including checksum calculation (software/sue_checksum/sue_checksum.py) and example backdoor scripts (reverse shell, command-executing CGI). - Exploitation of insecure default Wi-Fi password (CVE-2023-27746) and unauthenticated webserver endpoints (CVE-2023-27747), which expose live feeds, data, and allow file uploads/downloads. - Wi-Fi credential decryption tool (software/wifi-decrypt/wifi-decrypt.py) for extracting stored Wi-Fi passwords from the SD card, leveraging a hardcoded AES key and IV. The repository is structured with a main README detailing the vulnerabilities, exploitation steps, and example payloads; a FOTA exploitation script; a checksum utility for firmware images; and a Wi-Fi decryption script. The main attack vectors are network-based (FOTA service, webserver) and local (SD card manipulation). The exploit enables full device compromise, persistent backdoor installation, and credential extraction.
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