---
id: CVE-2026-105484
title: >-
  A security vulnerability has been detected in TOTOLINK X6000R
  9.4.0cu.652_B20230116
summary: >-
  A security vulnerability has been detected in TOTOLINK X6000R
  9.4.0cu.652_B20230116. The impacted element is the function firmware_check of
  the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler.
  Such manipulation of t…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-77
  - CWE-78
vendor: TOTOLINK
product: X6000R
affected:
  - X6000R 9.4.0cu.652_B20230116
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T15:04:52.637'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105484'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-105484'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/984434'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413619'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413619/cti'
    label: cna@vuldb.com
  - url: 'https://www.totolink.net/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-06T13:24:46.638835Z'
ingestedAt: '2026-10-06T01:38:44.804Z'
epss: 0.02128
epssPercentile: 0.81845
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/xiaobai718-ab/CVE-2026-105484'
  checkedAt: '2026-10-27T16:54:26.097Z'
exploitAvailable: true
---

## Overview

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the function firmware_check of the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler. Such manipulation of the argument file_name leads to os command injection. The attack may be performed from remote.

## Remediation

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