---
id: CVE-2025-11327
title: A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318)
summary: >-
  A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318).
  This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The
  manipulation of the argument upnpEn leads to stack-based buffer overflow. It
  is possi…
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-121
vendor: tenda
product: ac18_firmware
affected:
  - ac18_firmware = 15.03.05.19(6318)
published: '2025-10-06'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11327'
references:
  - url: >-
      https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/SetUpnpCfg.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.327210'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.327210'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.664532'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.01245
epssPercentile: 0.68363
ingestedAt: '2026-10-09T12:53:28.833Z'
---

## Overview

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

## Affected

- `ac18_firmware = 15.03.05.19(6318)`

## Remediation

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