CVE-2025-66262 (GCVE-0-2025-66262)

Vulnerability from cvelistv5 – Published: 2025-11-26 00:50 – Updated: 2025-11-26 14:57
VLAI?
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 / 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.
Severity ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/AU:N
CWE
  • CWE-22 - Arbitrary File Overwrite via Tar Extraction Path Traversal
Assigner
References
https://www.abdulmhsblog.com/posts/webfmvulns/ exploittechnical-description
Impacted products
Vendor Product Version
DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter Affected: 30
Affected: 50
Affected: 100
Affected: 300
Affected: 500
Affected: 1000
Affected: 2000
Affected: 3000
Affected: 3500
Affected: 6000
Affected: 7000
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Credits
Abdul Mhanni
Show details on NVD website
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      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.