CVE-2026-92205

Published: Oct 21, 2026Modified: Oct 22, 2026

6.1

Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Exploitability: 1.8 / Impact: 4.2

Source: zdi-disclosures@trendmicro.com (Secondary)

Description

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.

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://www.zerodayinitiative.com/advisories/ZDI-26-705/

Source: zdi-disclosures@trendmicro.com

Timeline

No history available yet.