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CVE-2025-66263

8.9 high SSVC exploitation: none Analyzed
NVD · CVE.org

Unauthenticated Arbitrary File Read via Null Byte Injection 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 Null byte injection in download_setting.php allows reading arbitrary files. The `/var/tdf/download_setting.php` endpoint constructs file paths by concatenating user-controlled `$_GET['filename']` with a forced `.tgz` extension. Running on PHP 5.3.2 (pre-5.3.4), the application is vulnerable to null byte injection (%00), allowing attackers to bypass the extension restriction and traverse paths. By requesting `filename=../../../../etc/passwd%00`, the underlying C functions treat the null byte as a string terminator, ignoring the appended `.tgz` and enabling unauthenticated arbitrary file disclosure of any file readable by the web server user.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 8.9 · dbbroadcastNVD modified 2026-10-19 13:10

Affected (CPE criteria) 22

  • cpe:2.3:o:dbbroadcast:mozart_next_3000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_3500_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_50_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_500_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_6000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_7000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_100_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_1000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_2000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_30_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_next_300_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_30_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_50_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_100_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_300_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_500_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_1000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_2000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_3000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_3500_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_6000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dbbroadcast:mozart_dds_next_7000_firmware:-:*:*:*:*:*:*:*

References 1