listUpgradeFirmwares

THE RISK

Low Risk

Why listUpgradeFirmwares needs a policy

This tool performs a read-only query operation to retrieve a list of firmware files. It has no side effects, does not execute code, does not modify data, and does not delete anything. The 'list' verb and the purely informational nature of retrieving available firmware options place it firmly in the Read category.

From the tool's definition The tool name 'listUpgradeFirmwares' and description 'List uploaded firmware files available for manual upgrade' indicate a retrieval operation that queries available firmware files without modifying or executing anything.

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

POLICY

How to control listUpgradeFirmwares

PolicyLayer is an MCP gateway — it sits between your AI agents and Tplink Omada, and nothing reaches the server without passing your rules. This is the rule we recommend for listUpgradeFirmwares:

policy.json

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

listUpgradeFirmwares 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 Tplink Omada — 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 →

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EXPLORE

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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 listUpgradeFirmwares

What does the listUpgradeFirmwares tool do? +

List uploaded firmware files available for manual upgrade. It is categorised as a Read tool in the Tplink Omada MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on listUpgradeFirmwares? +

Register the Tplink Omada MCP server in PolicyLayer and add a rule for listUpgradeFirmwares: 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 Tplink Omada. Nothing to install.

What risk level is listUpgradeFirmwares? +

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

Can I rate-limit listUpgradeFirmwares? +

Yes. Add a rate_limit block to the listUpgradeFirmwares 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 listUpgradeFirmwares completely? +

Set action: deny in the PolicyLayer policy for listUpgradeFirmwares. 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 listUpgradeFirmwares? +

listUpgradeFirmwares is provided by the Tplink Omada MCP server (migueltvms/tplink-omada-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Tplink Omada tool call.

Start from Tplink Omada, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →