---
id: CVE-2018-25253
title: Termite 3.4 Denial of Service via Settings Buffer Overflow
summary: >-
  Termite 3.4 contains a buffer overflow vulnerability in the User interface
  language settings field that allows local attackers to cause a denial of
  service by supplying an excessively long string. Attackers can paste a
  2000-byte payload …
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'
cvssSource: cna
cwe:
  - CWE-787
vendor: Compuphase
product: Termite
affected:
  - Termite 3.4
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-04-06T18:53:45.396723Z'
exploitAvailable: true
published: '2026-04-04'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T15:19:11.829Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2018-25253'
references:
  - url: 'https://www.exploit-db.com/exploits/45453'
    label: ExploitDB-45453
  - url: 'https://www.compuphase.com'
    label: Official Product Homepage
  - url: 'https://www.compuphase.com/software_termite.htm'
    label: Product Reference
  - url: >-
      https://www.vulncheck.com/advisories/termite-denial-of-service-via-settings-buffer-overflow
    label: >-
      VulnCheck Advisory: Termite 3.4 Denial of Service via Settings Buffer
      Overflow
tags:
  - cve.org
  - exploit-available
epss: 0.0018
epssPercentile: 0.06806
ingestedAt: '2026-10-01T15:48:17.887Z'
---

## Overview

Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows local attackers to cause a denial of service by supplying an excessively long string. Attackers can paste a 2000-byte payload into the Settings User interface language field to crash the application.

## Affected

- `Termite 3.4`

## Remediation

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