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Vulnerabilities

Vulnerability · CVE-2025-57846

Multiple i-フィルター products contain an issue with incorrect default permissions.

Published Aug 27, 2025 · catalog updated Aug 27, 2025 · OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version)

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-57846. EPSS is 0.15%. Act only if a listed version of OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Vendor / distro source
Affected products
vendor OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version) prior to 4.93R11

Multiple i-フィルター products contain an issue with incorrect default permissions. If this vulnerability is exploited, a local authenticated attacker may replace a service executable on the system where the product is running, potentially allowing arbitrary code execution with SYSTEM privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version) prior to 4.93R11prior to 4.93R11

How to fix CVE-2025-57846

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-57846. EPSS is 0.15%. Act only if a listed version of OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version) is installed.

Which versions are affected?

Compare what you have installed with OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version) prior to 4.93R11 prior to 4.93R11. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 27, 2025 · EUVD

    Detected

    Multiple i-フィルター products contain an issue with incorrect default permissions. If this vulnerability is exploited, a local authenticated attacker may replace a service executable on the system where the product is running, potentially allowing arbitrary code execution with SYSTEM privileges.

  2. Aug 27, 2025 · EUVD

    Updated

    Multiple i-フィルター products contain an issue with incorrect default permissions. If this vulnerability is exploited, a local authenticated attacker may replace a service executable on the system where the product is running, potentially allowing arbitrary code execution with SYSTEM privileges.

Sources

  • CVE.orgVulnerability recordCVE-2025-57846

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-57846

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-25896

    Multiple i-フィルター products contain an issue with incorrect default permissions. If this vulnerability is exploited, a local authenticated attacker may replace a service executable on the system where the product is running, potentially allowing arbitrary code execution with SYSTEM

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026