CVE-2025-4410

Privileged code execution via SetupUtility buffer overflow

Published Aug 13, 2025 · Updated Aug 14, 2025

Buffer overflow in Insyde Software InsydeH2O SetupUtility allows local users with privileged access to execute arbitrary code. Insyde has not disclosed the affected buffer, input path, or bounds-checking failure within SetupUtility. Exploitation requires local high privileges and high-complexity conditions, and successful exploitation crosses the firmware component's security boundary.

CVSS severity7.5
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Insyde Software InsydeH2O SetupUtility allows local users with privileged access to execute arbitrary code. Insyde has not disclosed the affected buffer, input path, or bounds-checking failure within SetupUtility. Exploitation requires local high privileges and high-complexity conditions, and successful exploitation crosses the firmware component's security boundary.

The record

CVE
CVE-2025-4410
Published
Aug 13, 2025
Updated
Aug 14, 2025
Vendor
Insyde Software
Product
InsydeH2O UEFI BIOS
Classifications
CWE-20, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=See in the Reference link

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Insyde Software · InsydeH2O UEFI BIOSversion=See in the Reference link

Published CVSS scores

7.5Insyde SoftwareCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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