---
id: CVE-2025-52054
title: >-
  An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless
  Router AC8v4.0 Firmware 16.03.33.05
summary: >-
  An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless
  Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is
  calculated with a static string and the last two octets of the MAC address of
  the device.…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-287
vendor: tenda
product: ac8_firmware
affected:
  - ac8_firmware <= 16.03.33.05
published: '2025-08-28'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-52054'
references:
  - url: >-
      https://www.virtualhackinglabs.com/advisories/cve-2025-52054-tenda-ac8-calculated-root-password/
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00317
epssPercentile: 0.22065
ingestedAt: '2026-09-26T00:22:39.885Z'
---

## Overview

An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is calculated with a static string and the last two octets of the MAC address of the device. This allows an unauthenticated attacker to authenticate with network services on the device.

## Affected

- `ac8_firmware <= 16.03.33.05`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.