---
id: "CVE-2026-78801"
kind: "vulnerability"
aliases: ["CVE-2026-78801"]
title: "SKYWORTH fiber router: remote attacker can obtain sensitive information"
severity: "unknown"
cvss: null
epss: 0.00258
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["firmware", "infrastructure", "iot", "router", "skyworth"]
not_affected_if: []
published_at: "2026-10-22T15:17:06+00:00"
first_seen_at: "2026-10-23T21:57:31+00:00"
updated_at: "2026-10-25T05:00:29+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78801", "first_seen_at": "2026-10-23T21:57:31+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-78801", "first_seen_at": "2026-10-24T07:15:51+00:00"}]
---

# SKYWORTH fiber router: remote attacker can obtain sensitive information

The SKYWORTH SK-WR6640X AX1800M fiber router firmware V1.0.3 exposes a hidden factory switch file, according to the NVD description. A remote attacker can use it to obtain sensitive information from the device.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- unknown

## Fix

- unknown

## Timeline

- 2026-10-23T21:57:31+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-78801
- 2026-10-24T07:15:51+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-78801

## From the sources

An issue in SKYWORTH DIGITAL CO., LTD SK-WR6640X Wi-Fi 6 Dual-Band Fiber Router (AX1800M) V1.0.3 allows a remote attacker to obtain sensitive information via the hidden_factory_switch.gch

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_