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CWE-912Weakness · CWE-912

CVE-2025-11544

CRITICAL · 9.5 CVSS v4.0 Published 2025-12-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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 Validation of Integrity Check Value vulnerability in Sharp Display Solutions projectors allows a attacker may create and run unauthorized firmware.

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 · moderate confidence

Sharp Display Solutions projectors contain an improper validation of integrity check value vulnerability in their firmware update mechanism. This allows an attacker to craft and install unauthorized firmware by bypassing the cryptographic integrity verification that should confirm firmware authenticity and detect tampering.

MitigationRestrict network exposure of affected projectors, implement network segmentation, and monitor for unauthorized firmware modifications. Contact Sharp Display Solutions for firmware patches and security updates.

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
Network
Complexity
Low
Privileges
None
Authentication
X
User interaction
None
Scope
X

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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. Identify Sharp Display Solutions projector on the network
    Check device inventory, network scans, or physically locate projectors to confirm they are Sharp Display Solutions brand projectors
    Affected if The device is a Sharp Display Solutions projector and the firmware update mechanism is network-accessible
  2. Determine the current firmware version
    Access the projector's web interface, admin panel, or use SNMP/serial to query the firmware version. Common paths: projector web UI status page, 'System Information' or 'About' section
    Affected if Firmware version cannot be verified or differs from expected signed versions from Sharp Display Solutions
  3. Verify firmware update mechanism configuration
    Check projector's admin settings for firmware update options. Look for settings related to 'firmware update', 'software update', 'remote update', or 'USB update' in the web interface or management console
    Affected if Remote/network-based firmware update is enabled and accessible without authentication restrictions
  4. Inspect network exposure of projector management interfaces
    Scan network for open ports on the projector (common: HTTP 80, HTTPS 443, Telnet 23, SSH 22, custom vendor ports). Check if projector management interfaces are reachable from untrusted networks
    Affected if The projector's admin/management interface is exposed to untrusted networks or the internet
  5. Review firmware file integrity verification
    If accessible, check projector's firmware update logs or settings for any indication of integrity check failure, signature verification errors, or rejected firmware uploads
    Affected if Firmware integrity verification is disabled, shows failures, or allows unsigned firmware uploads
  6. Check for signs of unauthorized firmware modifications
    Compare current firmware hash/signature against known-good values from vendor, or review system logs for unexpected firmware update events
    Affected if Firmware hash differs from vendor-published values or logs show firmware updates that were not initiated by authorized administrators

A user is affected if they have a Sharp Display Solutions projector with an accessible firmware update mechanism where cryptographic integrity verification can be bypassed.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Restrict network exposure of affected projectors, implement network segmentation, and monitor for unauthorized firmware modifications. Contact Sharp Display Solutions for firmware patches and security updates.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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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-2025-11544 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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