---
id: CVE-2026-93739
title: A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046
summary: >-
  A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This
  impacts the function formWlAc of the file /boafrm/formWlAc. Executing a
  manipulation of the argument submit-url can lead to buffer overflow. The
  attack may be per…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
vendor: Totolink
product: A3002MU
affected:
  - A3002MU Hh-B20211125.1046
published: '2026-09-18'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T13:33:33.387'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93739'
references:
  - url: >-
      https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-93739'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/914018'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/407549'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/407549/cti'
    label: cna@vuldb.com
  - url: 'https://www.totolink.net/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
epss: 0.00493
epssPercentile: 0.41276
ingestedAt: '2026-09-18T21:53:15.793Z'
---

## Overview

A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

## Remediation

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