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Fencer Vulns
critical 9.1

CVE-2025-66945 json

A path traversal vulnerability exists in the ZIP extraction API of Zdir Pro 4.x.

published 2026-03-03 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-208245

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
8 mo ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/kaliworld/Zdir-Pro-Zip-slip-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified
  • zeroday.endlessparadox.com https://zeroday.endlessparadox.com/posts/cve-2025-66945/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.