---
id: CVE-2026-90606
title: >-
  A security vulnerability has been detected in Totolink A3002MU
  Hh-B20211125.1046
summary: >-
  A security vulnerability has been detected in Totolink A3002MU
  Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file
  /boafrm/formIpv6Setup of the component boa. The manipulation of the argument
  static_ipv6 leads to…
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: '2026-09-14'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T19:17:46.067'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90606'
references:
  - url: >-
      https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formIpv6Setup.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90606'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/914010'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403188'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403188/cti'
    label: cna@vuldb.com
  - url: 'https://www.totolink.net/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00854
epssPercentile: 0.5662
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T18:07:23.750674Z'
ingestedAt: '2026-09-14T15:23:07.468Z'
---

## Overview

A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Setup of the component boa. The manipulation of the argument static_ipv6 leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

## Remediation

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