---
id: CVE-2021-28936
title: >-
  The Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) Web management
  administrator password can be changed by sending a specially crafted HTTP GET
  request
summary: >-
  The Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) Web management
  administrator password can be changed by sending a specially crafted HTTP GET
  request. The administrator username has to be known (default:admin) whereas no
  previous …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-863
vendor: acexy
product: wireless-n_wifi_repeater_firmware
affected:
  - wireless-n_wifi_repeater_firmware = 28.08.06.1
published: '2021-03-29'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-28936'
references:
  - url: 'http://wireless-n.com'
    label: cve@mitre.org
  - url: >-
      https://blog-ssh3ll.medium.com/acexy-wireless-n-wifi-repeater-vulnerabilities-8bd5d14a2990
    label: cve@mitre.org
  - url: 'http://acexy.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://wireless-n.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://blog-ssh3ll.medium.com/acexy-wireless-n-wifi-repeater-vulnerabilities-8bd5d14a2990
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02044
epssPercentile: 0.80331
ingestedAt: '2026-07-05T02:00:01.430Z'
---

## Overview

The Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) Web management administrator password can be changed by sending a specially crafted HTTP GET request. The administrator username has to be known (default:admin) whereas no previous authentication is required.

## Affected

- `wireless-n_wifi_repeater_firmware = 28.08.06.1`

## Remediation

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