---
id: CVE-2025-14586
title: A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224
summary: >-
  A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224.
  Affected by this issue is the function snprintf of the file
  /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the
  argument User causes os comm…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
  - CWE-78
vendor: totolink
product: x5000r_firmware
affected:
  - x5000r_firmware = 9.1.0cu.2089_b20211224
published: '2025-12-13'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14586'
references:
  - url: 'https://github.com/awigwu76/TOTOLINK_X5000R/blob/main/1.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.336206'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.336206'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.705593'
    label: cna@vuldb.com
  - url: 'https://www.totolink.net/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.02758
epssPercentile: 0.85713
ingestedAt: '2026-09-30T23:29:32.490Z'
---

## Overview

A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the function snprintf of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the argument User causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

## Affected

- `x5000r_firmware = 9.1.0cu.2089_b20211224`

## Remediation

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