system_firmware_list

THE RISK

Low Risk

Why system_firmware_list needs a policy

This tool retrieves and queries firmware version information without creating, modifying, deleting, or executing any changes. It is a read-only operation that presents available options to the user. While knowledge of available firmware could inform a subsequent upgrade action, this tool itself performs no side effects and poses minimal risk when used in isolation.

From the tool's definition Tool name contains 'list' and description states 'List available firmware versions for upgrade' — a pure data retrieval operation with no modification or execution of system commands.

Risk signalsAdmin/system-level operation

Documented attack patterns abuse exactly the kind of access system_firmware_list gives an agent:

POLICY

How to control system_firmware_list

PolicyLayer is an MCP gateway — it sits between your AI agents and FortiOS 7 6 X MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for system_firmware_list:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "system_firmware_list": {}
  }
}

system_firmware_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register FortiOS 7 6 X MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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All 240 FortiOS 7 6 X MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about system_firmware_list

What does the system_firmware_list tool do? +

List available firmware versions for upgrade. It is categorised as a Read tool in the FortiOS 7 6 X MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on system_firmware_list? +

Register the FortiOS 7 6 X MCP Server MCP server in PolicyLayer and add a rule for system_firmware_list: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches FortiOS 7 6 X MCP Server. Nothing to install.

What risk level is system_firmware_list? +

system_firmware_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit system_firmware_list? +

Yes. Add a rate_limit block to the system_firmware_list rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block system_firmware_list completely? +

Set action: deny in the PolicyLayer policy for system_firmware_list. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides system_firmware_list? +

system_firmware_list is provided by the FortiOS 7 6 X MCP Server MCP server (paoloamato2/fortinet-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every FortiOS 7 6 X MCP Server tool call.

Start from FortiOS 7 6 X MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →