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Vulnerability record · CVE-2025-66945 · published 3 March 2026

CVE-2025-66945: Zdir out-of-bounds write vulnerability

Zdir · Zdir

A path traversal vulnerability exists in the ZIP extraction API of Zdir Pro 4.x. When a crafted ZIP archive is processed by the backend at /api/extract, files may be written outside the intended directory, leading to arbitrary file overwrite and potentially remote code execution

9.1 CVSS 3.1 Critical EPSS 0.53% · top 57.5% CWE-787 · Out-of-bounds write
9.1CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A path traversal vulnerability exists in the ZIP extraction API of Zdir Pro 4.x. When a crafted ZIP archive is processed by the backend at /api/extract, files may be written outside the intended directory, leading to arbitrary file overwrite and potentially remote code execution

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kaliworld/Zdir-Pro-Zip-slip-vulnerability/ ExploitMitigationThird Party Advisory
https://zeroday.endlessparadox.com/posts/cve-2025-66945/ ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-66945), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.