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Fencer Intel
critical 9.1

CVE-2025-66945 json

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

published 8mo ago modified 4mo 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

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CISA SSVC

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

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 Intel 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.