---
id: CVE-2026-86166
title: A vulnerability was determined in Tenda HG10 300001138
summary: >-
  A vulnerability was determined in Tenda HG10 300001138. This issue affects the
  function formWanRedirect of the file /boaform/formWanRedirect of the component
  Boa Web Server. Executing a manipulation of the argument if can lead to buffer
  …
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
vendor: Tenda
product: HG10
affected:
  - HG10 300001138
published: '2026-09-06'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T21:17:35.040'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86166'
references:
  - url: >-
      https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86166'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/895595'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399305'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399305/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-11T20:15:48.470389Z'
epss: 0.00476
epssPercentile: 0.40302
ingestedAt: '2026-09-06T15:57:05.415Z'
---

## Overview

A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

## Remediation

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