CVE-2025-66945
CVE-2025-66945 is a critical-severity vulnerability in Zdir with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-208245
- Weakness: CWE-787
- Affected product: Zdir
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2025-66945?
- 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
- How severe is CVE-2025-66945?
- CVE-2025-66945 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2025-66945 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-66945?
- CVE-2025-66945 affects Zdir. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-66945?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-66945 have an EU (EUVD) identifier?
- Yes. CVE-2025-66945 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208245.
- When was CVE-2025-66945 published?
- CVE-2025-66945 was published on 2026-03-03 and last updated on 2026-06-17.
References
- https://github.com/kaliworld/Zdir-Pro-Zip-slip-vulnerability/
- https://zeroday.endlessparadox.com/posts/cve-2025-66945/
Affected products (1)
- cpe:2.3:a:zdir:zdir:*:*:*:*:*:*:*:*
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