---
id: CVE-2025-13826
title: >-
  Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a
  configuration reset request is made
summary: >-
  Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a
  configuration reset request is made. The vulnerability is caused by inadequate
  validation of user-supplied input. An attacker can exploit this vulnerability
  by …
severity: none
cwe:
  - CWE-20
published: '2026-04-21'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T22:10:00.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13826'
references:
  - url: >-
      https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-input-validation-zervit-portable-httpweb-server
    label: cve-coordination@incibe.es
tags:
  - nvd
epss: 0.00253
epssPercentile: 0.15142
ingestedAt: '2026-09-30T22:27:27.764Z'
---

## Overview

Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application.

## Remediation

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