CVE-2026-25108
CVE-2026-25108 is a high-severity vulnerability in Soliton Filezen with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-02-24). The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2026-02-24)
- EU (EUVD) id: EUVD-2026-6172
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-02-24)
- Weakness: CWE-78
- Affected product: Soliton Filezen
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-25108?
- 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.
- How severe is CVE-2026-25108?
- CVE-2026-25108 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-25108 being actively exploited?
- Yes. CVE-2026-25108 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-02-24, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2026-25108?
- CVE-2026-25108 affects Soliton Filezen. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-25108?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2026-25108 have an EU (EUVD) identifier?
- Yes. CVE-2026-25108 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6172. It is also flagged as exploited in the EUVD (since 2026-02-24).
- When was CVE-2026-25108 published?
- CVE-2026-25108 was published on 2026-02-13 and last updated on 2026-06-17.
References
- https://jvn.jp/en/jp/JVN84622767/
- https://www.soliton.co.jp/support/2026/006657.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25108
Affected products (1)
- cpe:2.3:a:soliton:filezen:*:*:*:*:*:*:*:*
More vulnerabilities in Soliton Filezen
- CVE-2020-5639 — Critical (CVSS 9.8): Directory traversal vulnerability in FileZen versions from V3.0.0 to V4.2.2 allows remote attackers to upload an…
- CVE-2018-0694 — Critical (CVSS 9.8): FileZen V3.0.0 to V4.2.1 allows remote attackers to execute arbitrary OS commands via unspecified vectors.
- CVE-2018-0693 — High (CVSS 7.5): Directory traversal vulnerability in FileZen V3.0.0 to V4.2.1 allows remote attackers to upload an arbitrary file in…
- CVE-2021-20655 — High (CVSS 7.2): FileZen (V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2) allows a remote attacker with administrator rights to execute arbitrary…
All CVEs affecting Soliton Filezen →
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