An issue in the /usr/local/bin/jncs.sh script of Gefen WebFWC (In AV over IP products)…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287 and CWE-77.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:niceforyou:gefen_webfwc:1.70v:*:*:*:*:*:*:* | 1.70v | Vulnerable | Niceforyou |
| cpe:2.3:o:niceforyou:gefen_gf-avip-mc_firmware:a5.22:*:*:*:*:*:*:* | a5.22 | Running on | Niceforyou |
| cpe:2.3:a:niceforyou:gefen_webfwc:1.85h:*:*:*:*:*:*:* | 1.85h | Vulnerable | Niceforyou |
| cpe:2.3:a:niceforyou:gefen_webfwc:1.86v:*:*:*:*:*:*:* | 1.86v | Vulnerable | Niceforyou |
| cpe:2.3:o:niceforyou:gefen_gf-avip-mc_firmware:a5.310:*:*:*:*:*:*:* | a5.310 | Running on | Niceforyou |
- cpe:2.3:a:niceforyou:gefen_webfwc:1.70v:*:*:*:*:*:*:* Versions 1.70v Vulnerable ·Niceforyou
- cpe:2.3:o:niceforyou:gefen_gf-avip-mc_firmware:a5.22:*:*:*:*:*:*:* Versions a5.22 Running on ·Niceforyou
- cpe:2.3:a:niceforyou:gefen_webfwc:1.85h:*:*:*:*:*:*:* Versions 1.85h Vulnerable ·Niceforyou
- cpe:2.3:a:niceforyou:gefen_webfwc:1.86v:*:*:*:*:*:*:* Versions 1.86v Vulnerable ·Niceforyou
- cpe:2.3:o:niceforyou:gefen_gf-avip-mc_firmware:a5.310:*:*:*:*:*:*:* Versions a5.310 Running on ·Niceforyou
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-25504
- 2026-10-03 Alias added: GHSA-5ggr-xpwv-2fq3
References
Sources
- CVE-2025-25504 · CVE Program
- CVE-2025-25504 · NVD
- FIRST EPSS
- GHSA-5ggr-xpwv-2fq3 · GitHub Advisory Database · CC BY 4.0
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