---
id: CVE-2018-25233
title: >-
  WebDrive 18.00.5057 contains a denial of service vulnerability that allows
  local attackers to crash the application by supplying an excessively long
  string in the username field during Secure WebDAV connection setup
summary: >-
  WebDrive 18.00.5057 contains a denial of service vulnerability that allows
  local attackers to crash the application by supplying an excessively long
  string in the username field during Secure WebDAV connection setup. Attackers
  can input …
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-233
vendor: southrivertech
product: webdrive
affected:
  - webdrive = 18.00.5057
published: '2026-03-30'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T08:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2018-25233'
references:
  - url: 'https://webdrive.com/'
    label: disclosure@vulncheck.com
  - url: 'https://webdrive.com/download/'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/45761'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/webdrive-denial-of-service-via-secure-webdav
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00206
epssPercentile: 0.09692
ingestedAt: '2026-10-07T08:20:03.910Z'
---

## Overview

WebDrive 18.00.5057 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the username field during Secure WebDAV connection setup. Attackers can input a buffer-overflow payload of 5000 bytes in the username parameter and trigger a connection test to cause the application to crash.

## Affected

- `webdrive = 18.00.5057`

## Remediation

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