RCE in Niceforyou Gefen Gf-Avip-Mc Firmware
CVE-2025-25504
An issue in the /usr/local/bin/jncs.sh script of Gefen WebFWC (In AV over IP products) v1.85h, v1.86v, and v1.70 allows attackers with network access to connect to the device over TCP port 4444 without authentication and execute arbitrary commands with root privileges.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Niceforyou Gefen Gf-Avip-Mc Firmware — versions a5.22, a5.310
- Niceforyou Gefen Webfwc — versions 1.70v, 1.85h, 1.86v
Weakness classification (CWE)
References
- gefen.com (Product)
- www.troy-wilson.com/cve-2025-25504.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-25504?
- CVE-2025-25504 is a medium-severity vulnerability in Niceforyou Gefen Gf-Avip-Mc Firmware, classified under Command Injection. CVSS score: 6.5/10. Published 2025-05-05.
- How severe is CVE-2025-25504?
- Medium severity. CVSS v3 base score is 6.5 out of 10.