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Soliton Systems K.K · Code execution

Soliton Systems K.K FileZen OS Command Injection Vulnerability

CVE-2026-25108

What this means

This is rated high severity (8.7 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Soliton Filezen is in your estate, and treat that as the priority.

Full vendor description

FileZen contains an OS command injection vulnerability. When FileZen Antivirus Check Option is enabled, a logged-in user may send a specially crafted HTTP request to execute an arbitrary OS command.

Scoring and exploitation

8.7/ 10
CVSS 4.0 base scoreHigh

Exploitable over the network with a low-privilege account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Attack requirementsNoneAT:N
Privileges requiredLowPR:L
User interactionNoneUI:N

Impact

Longer bar: more harm

ConfidentialityHighVC:H
IntegrityHighVI:H
AvailabilityHighVA:H
~5.2% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
Soliton Systems K.K FileZen

Weaknesses

CWE-78

Affected products ()

  • Soliton Filezen
Show the raw CPE strings (1)
  • cpe:2.3:a:soliton:filezen:*:*:*:*:*:*:*:*

References

3 links from the CVE record, grouped by site; the vendor's advisory comes first.

Related feed events

  • Soliton Systems K.K FileZen OS Command Injection Vulnerability

    Type Vulnerability

    K FileZen contains an OS command injection vulnerability when an user logs-in to the affected product and sends a specially crafted HTTP request. Known-exploited catalogue reports exploitation in the wild.

    Next step: Confirm whether Soliton Systems K.K FileZen is in your estate.

    Who's reporting

    1 of 3 perspectives

    Official authority: Official 1Vendor statement missing. no VendorResearcher coverage missing. no Researcher1 signal

    Only official coverage so far. Treat as an early signal.

    Soliton Systems K.K FileZen
    CVE-2026-25108