---
id: CVE-2026-113744
title: >-
  Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg
  stack-based overflow
summary: >-
  A security vulnerability has been detected in Tenda AC19 16.03.10.07. The
  impacted element is the function formSetFirewallCfg of the file
  /goform/SetFirewallCfg of the component httpd Web Management Service. Such
  manipulation of the argu…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-121
  - CWE-119
vendor: Tenda
product: AC19
affected:
  - AC19 16.03.10.07
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T01:30:24.075Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113744'
references:
  - url: 'https://vuldb.com/vuln/422925'
    label: >-
      VDB-422925 | Tenda AC19 httpd Web Management Service SetFirewallCfg
      formSetFirewallCfg stack-based overflow
  - url: 'https://vuldb.com/vuln/422925/cti'
    label: 'VDB-422925 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-113744'
    label: CVE-2026-113744 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1018542'
    label: 'Submit #1018542 | Tenda AC19 V16.03.10.07 Stack-based Buffer Overflow'
  - url: 'https://github.com/henrythekingofuk/TendaCVE'
  - url: 'https://www.tenda.com.cn/'
tags:
  - cve.org
ingestedAt: '2026-10-21T01:37:07.997Z'
---

## Overview

A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

## Affected

- `AC19 16.03.10.07`

## Remediation

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