CVE-2025-66262
Arbitrary File Overwrite via Tar Extraction Path Traversal in DB Electronica Telecomunicazioni S.p.A.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- dbbroadcast/mozart next 100 firmware · dbbroadcast/mozart next 1000 firmware · dbbroadcast/mozart next 2000 firmware · dbbroadcast/mozart next 30 firmware · dbbroadcast/mozart next 300 firmware · dbbroadcast/mozart next 3000 firmware · dbbroadcast/mozart next 3500 firmware · dbbroadcast/mozart next 50 firmware · dbbroadcast/mozart next 500 firmware · dbbroadcast/mozart next 6000 firmware · dbbroadcast/mozart next 7000 firmware · dbbroadcast/mozart dds next 30 firmware · dbbroadcast/mozart dds next 50 firmware · dbbroadcast/mozart dds next 100 firmware · dbbroadcast/mozart dds next 300 firmware · dbbroadcast/mozart dds next 500 firmware · dbbroadcast/mozart dds next 1000 firmware · dbbroadcast/mozart dds next 2000 firmware · dbbroadcast/mozart dds next 3000 firmware · dbbroadcast/mozart dds next 3500 firmware · +2 more
- Source
- b7efe717-a805-47cf-8e9a-921fca0ce0ce
References
- https://www.abdulmhsblog.com/posts/webfmvulns/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.