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Improper Input ValidationWeakness · CWE-20

CVE-2025-25210

HIGH · 8.2 CVSS v3.1 Published 2026-02-10
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Improper input validation for some Server Firmware Update Utility(SysFwUpdt) before version 16.0.12 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Improper input validation in the Server Firmware Update Utility (SysFwUpdt) running in Ring 3 (user mode) allows a system software adversary with a privileged user context to escalate privileges. The attack requires local access, has low complexity, and no user interaction.

MitigationUpdate SysFwUpdt to version 16.0.12 or later to remediate the improper input validation vulnerability.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Locate SysFwUpdt executable
    Search for SysFwUpdt.exe or SysFwUpdt in common system directories: C:\Program Files\, C:\Program Files (x86)\, or system32. Use command: dir /s C:\SysFwUpdt.exe 2>nul or find / -name "SysFwUpdt*" on Linux-based BMC interfaces.
    Affected if SysFwUpdt executable is found on the system
  2. Determine installed version
    Right-click the SysFwUpdt executable, select Properties, then view the Details tab for Product Version. Alternatively, run: SysFwUpdt.exe --version or SysFwUpdt.exe /version if supported.
    Affected if Version is present but below 16.0.12
  3. Verify running process
    Open Task Manager or run: tasklist | findstr -i SysFwUpdt. Check if the utility is currently active as a process.
    Affected if SysFwUpdt process is running under a privileged user account
  4. Check service configuration
    Open Services (services.msc) and look for any service related to Server Firmware Update Utility. Check the service's logon account in the Properties tab.
    Affected if A service named SysFwUpdt or similar runs under a privileged account (such as LocalSystem, Administrator, or a domain admin)

The system is affected if SysFwUpdt is installed with a version lower than 16.0.12 and runs or can be run in a privileged user context.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update SysFwUpdt to version 16.0.12 or later to remediate the improper input validation vulnerability.

Recommended fix High confidence

Server Firmware Update Utility (SysFwUpdt) version 16.0.12

  1. 1. Identify all systems running Intel Server Firmware Update Utility (SysFwUpdt) in the environment
  2. 2. Check the current version of SysFwUpdt on affected systems
  3. 3. If the version is earlier than 16.0.12, download SysFwUpdt version 16.0.12 or later from the official Intel support website
  4. 4. Test the upgrade in a non-production environment first to ensure compatibility
  5. 5. Apply the update to production systems following standard change management procedures
  6. 6. Verify the installation was successful by confirming the version is now 16.0.12 or later
  7. 7. Document the remediation for compliance and audit purposes
Caveat Review Intel release notes for version 16.0.12 to check for any functional changes or known issues before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing6.0 h
  • Review / QA3.0 h
15.0 hours of engineering $2,560
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-25210 in production — separate from our analysis above.

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