CVE Catalog

CVE-2025-66262

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.42%

72th percentile - higher than 72% of all known CVEs

Summary

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 / allowing 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 unauthenticated file upload vulnerabilities, attackers can craft malicious .tgz archives containing path-traversed filenames to overwrite critical system files.

Risk Assessment

The vulnerability allows an attacker to overwrite critical system files, potentially leading to full system compromise. It requires chaining with other vulnerabilities but can result in remote code execution and loss of system integrity.

Recommendation

Update the transmitter software to a patched version. Until patched, restrict access to the network interface and avoid processing untrusted archives.

Other vulnerabilities in Mozart FM Transmitter

See all
Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS