CVE-2026-25108

Q: How do I fix CVE-2026-25108?

Upgrade filezen to 5.0.11 or later.

Q: Is CVE-2026-25108 being actively exploited?

Yes. CVE-2026-25108 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-03-17. Treat it as a priority whatever its CVSS score says.

Q: How severe is CVE-2026-25108?

CVE-2026-25108 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-25108 affect?

Published advisories record a fix for filezen (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHCISA KEVEPSS 91th pctl

8.8

CVSS v3

NVD

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.

CWE-78OS Command Injection

How to fix

Remediation Available

filezenNVD

Affected:>= 4.2.1, < 5.0.11Fixed in:5.0.11CVE-2026-25108derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.98%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-03-17

References

Vendor Advisory1

soliton.co.jp

Third-Party Advisory1

jvn.jp

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2024-4577	Critical	9.8	100%	KEV + Ransom	Fix

Common questions

How do I fix CVE-2026-25108?

Upgrade filezen to 5.0.11 or later.

Is CVE-2026-25108 being actively exploited?

Yes. CVE-2026-25108 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-03-17. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2026-25108?

CVE-2026-25108 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-25108 affect?

Published advisories record a fix for filezen (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-25108

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-24.