---
id: CVE-2026-5526
title: >-
  A security flaw has been discovered in Tenda 4G03 Pro up to
  1.0/1.1/04.03.01.53/192.168.0.1
summary: >-
  A security flaw has been discovered in Tenda 4G03 Pro up to
  1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown
  functionality of the file /bin/httpd. The manipulation results in improper
  access controls. The att…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-266
  - CWE-284
vendor: tenda
product: 4g03_pro_firmware
affected:
  - 4g03_pro_firmware = 04.03.01.53
published: '2026-04-04'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-5526'
references:
  - url: 'https://vuldb.com/submit/782052'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355279'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355279/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00645
epssPercentile: 0.4865
ingestedAt: '2026-07-24T09:23:51.153Z'
---

## Overview

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

## Affected

- `4g03_pro_firmware = 04.03.01.53`

## Remediation

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