CVE-2025-66262
Description
Arbitrary File Overwrite via Tar Extraction Path Traversal 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 Tar extraction with -C / allow arbitrary file overwrite via crafted archive. The `restore_mozzi_memories.sh` script extracts user-controlled tar archives with `-C /` flag, depositing contents to the filesystem root without path validation. When combined with the unauthenticated file upload vulnerabilities (CVE-01, CVE-06, CVE-07), attackers can craft malicious .tgz archives containing path-traversed filenames (e.g., `etc/shadow`, `var/www/index.php`) to overwrite critical system files in writable directories, achieving full system compromise.
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dbbroadcast mozart_next_100_firmware | No range specified | — |
| dbbroadcast mozart_next_1000_firmware | No range specified | — |
| dbbroadcast mozart_next_2000_firmware | No range specified | — |
| dbbroadcast mozart_next_30_firmware | No range specified | — |
| dbbroadcast mozart_next_300_firmware | No range specified | — |
| dbbroadcast mozart_next_3000_firmware | No range specified | — |
| dbbroadcast mozart_next_3500_firmware | No range specified | — |
| dbbroadcast mozart_next_50_firmware | No range specified | — |
| dbbroadcast mozart_next_500_firmware | No range specified | — |
| dbbroadcast mozart_next_6000_firmware | No range specified | — |
| dbbroadcast mozart_next_7000_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_30_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_50_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_100_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_300_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_500_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_1000_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_2000_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_3000_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_3500_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_6000_firmware | No range specified | — |
| dbbroadcast mozart_dds_next_7000_firmware | No range specified | — |
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