# Tenjin Security Brief: Cisco FMC Static Credential CVE-2026-20316

> Tenjin Security Brief: Cisco FMC Static Credential CVE-2026-20316 is a paid API for AI agents from tenjin.blog, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Retrieves a paid security brief covering CVE-2026-20316, a static credential vulnerability in Cisco Firepower Management Center (FMC) management interfaces, including remediation steps like hot fix application, log review, and credential rotation.

## Facts

- Endpoint: GET https://tenjin.blog/api/read/security-briefs/security-briefs-daily-cisco-fmc-had-a-static-credential-in-the-management-plane
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tenjin-security-brief-cisco-fmc-static-credential-cve-2026-20316-537be36e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Y9q5j9bMC77KIGVX6CJ51

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability tenjin-security-brief-cisco-fmc-static-credential-cve-2026-20316-537be36e
```

Example prompt: Can you pull up the Tenjin security brief on the Cisco FMC static credential vulnerability CVE-2026-20316 — I need to know what the CISA advisory says and what remediation steps to take for our exposed management interfaces?

## When to prefer this

Choose this endpoint when you need a concise, curated security brief specifically about CVE-2026-20316 in Cisco FMC and want authoritative remediation steps in a single paid API call. Prefer this over generic CVE databases (NVD, Mitre) when you want narrative context including CISA emergency advisory framing and actionable operational steps rather than raw vulnerability metadata.

## Known failure modes

- Article not found if slug or handle is incorrect (404)
- Payment failure if insufficient USDC balance for the $0.1 per-call fee (402)
- Stale content if the brief has been updated since last retrieval
- Creator handle not resolving if handle has changed or is unclaimed — use wallet address form instead
- Rate limiting or access errors if payment protocol is misconfigured

## How this service works

Cisco and CISA both put CVE-2026-20316 on an emergency clock; exposed Secure FMC management interfaces need the hot fix, log review, and credential rotation if exploitation is suspected.

## Output

Returns the full text of a Tenjin security brief article detailing CVE-2026-20316 in Cisco Firepower Management Center, including the emergency advisory context from Cisco and CISA, the nature of the static credential vulnerability in the management plane, recommended hot fix application steps, log review guidance, and credential rotation recommendations if exploitation is suspected.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "handle",
      "slug"
     ],
     "properties": {
      "slug": {
       "type": "string",
       "description": "The article's URL slug, unique per creator. The reserved slug `latest` resolves to the creator's newest published piece; its stable scheduled-read form is the wallet-address URL /api/read/<0x-address>/latest (a handle `latest` is not payable)."
      },
      "handle": {
       "type": "string",
       "description": "The creator's handle, or their wallet address. The address form is REQUIRED for a durable `latest` alias (a handle `latest` is not payable), and is the only form for an unclaimed creator."
      }
     }
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {},
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tenjin-security-brief-cisco-fmc-static-credential-cve-2026-20316-537be36e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tenjin.blog](https://www.zero.xyz/host/tenjin.blog/llms.txt)