{“lastseen”:””,”description”:”Unauthenticated Arbitrary File Upload (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 Missing signature validation allows uploading malicious firmware packages. \\nThe firmware upgrade endpoint in `upgrade_contents.php` accepts arbitrary file uploads without validating file headers, cryptographic signatures, or enforcing .tgz format requirements, allowing malicious firmware injection. This endpoint also subsequently provides ways for arbitrary file uploads and subsequent remote code execution”,”published”:”2025-11-26T00:39:56.984Z”,”modified”:”2025-11-26T00:39:56.984Z”,”type”:”cve”,”title”:”Unauthenticated Arbitrary File Upload (upgrade_contents.php)”,”source”:”Gridware”,”references”:”https:\/\/www.abdulmhsblog.com\/posts\/webfmvulns\/”,”id”:”CVE-2025-66255″,”bulletinFamily”:””,”cwe”:[“CWE-345″],”cvelist”:null,”sourceData”:”DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 30\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 50\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 100\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 300\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 500\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 1000\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 2000\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 3000\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 3500\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 6000\\nDB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter 7000″,”sourceHref”:””,”cvss”:{“score”:9.9,”severity”:”CRITICAL”,”vector”:”CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:N\/VC:H\/VI:H\/VA:N\/SC:H\/SI:N\/SA:N”,”version”:”4.0″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”Mozart FM Transmitter”,”version”:”30, 50, 100, 300, 500, 1000, 2000, 3000, 3500, 6000, 7000″,”vendor”:”DB Electronica Telecomunicazioni S.p.A.”,”ai_description”:”Unauthenticated arbitrary file upload vulnerability in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter, allowing attackers to upload malicious firmware packages”,”ai_severity”:”Critical”,”ai_vendor”:”DB Electronica Telecomunicazioni S.p.A.”,”ai_product”:”Mozart FM Transmitter”,”ai_version”:”30, 50, 100, 300, 500, 1000, 2000, 3000, 3500, 6000, 7000″,”ai_score”:9.9}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”Unauthenticated Arbitrary File Upload (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…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[9,6,8,45,12,13,7,11,5],"class_list":["post-27626","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-critical","tag-cve","tag-cvss","tag-cvss-99","tag-exploit","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n