ZDI-26-705: (0Day) BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability
ZDI disclosed an unpatched symlink directory traversal flaw (CVE-2026-92205, CVSS 6.1) in BusyBox libarchive enabling arbitrary file creation.
ZDI-26-705 details an arbitrary file creation vulnerability in BusyBox's libarchive component caused by symlink directory traversal. Remote exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw is rated CVSS 6.1, tracked as CVE-2026-92205, and published as a 0day advisory.
- Unpatched symlink directory traversal in BusyBox libarchive
- Allows arbitrary file creation on affected systems
- Requires user interaction to exploit
- Assigned CVE-2026-92205 with CVSS 6.1
- CVEs
- CVE-2026-92205
- Vendors
- BusyBoxZero Day Initiative
- Products
- BusyBoxlibarchive
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-92205 | BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability | 6.1 | — |
From the original article
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 ZDI has assigned a CVSS rating of 6.
zerodayinitiative.com
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