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CVE-2025-52861VioStor

Description

A path traversal vulnerability has been reported to affect VioStor. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

Timeline

  1. ID reserved

    By qnap

  2. · 2 months later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-52861, by who scored it
Scored byCVSSScoreVector
qnapCNA (assigner)4.0High7.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0High7.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.65% · top 48% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.

Affected products

What to do

Solution: We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-52861 badge
[![CVE-2025-52861](https://cveledger.app/badge/CVE-2025-52861.svg)](https://cveledger.app/cve/CVE-2025-52861)

Record last updated .