---
id: CVE-2026-92205
title: >-
  BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation
  Vulnerability
summary: >-
  BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation
  Vulnerability. This vulnerability allows remote attackers to create arbitrary
  files on affected installations of BusyBox. User interaction is required to
  exploit this…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L'
cvssSource: cna
cwe:
  - CWE-22
vendor: BusyBox
product: BusyBox
affected:
  - BusyBox 1.37.0
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T17:17:22.583Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-92205'
references:
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-26-705/'
    label: ZDI-26-705
tags:
  - cve.org
zeroDay: true
ingestedAt: '2026-10-21T18:09:27.281Z'
---

## Overview

BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of BusyBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the libarchive component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of the current user. Was ZDI-CAN-27556.

## Affected

- `BusyBox 1.37.0`

## Remediation

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