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Unrestricted Dangerous File Upload in Daktronics DMP-5000 File Service

IdentifiersCVE-2026-33560CWE-434

CVE-2026-33560 is a high-severity unrestricted file upload vulnerability in Daktronics Controller Firmware affecting the DMP-5000 file service. Exposed upload endpoints allow authenticated users to upload files of any type without validation. The service does not enforce file extension filtering or server-side content inspection, allowing executable binaries, scripts, and other unauthorized file types to be accepted and written directly to the server. The issue is classified as an unrestricted upload of a file with a dangerous type and can be exploited remotely by an authenticated user.

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For your environment

Are you exposed to this one?

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an authenticated attacker to place arbitrary files on the target controller, including executable binaries and scripts. This can enable deployment of unauthorized content to the display system and may provide a foothold for further compromise depending on how uploaded files are stored, executed, or later processed by the device. Based on the provided context, the vulnerability has high potential impact on confidentiality, integrity, and availability.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, restrict access to the vulnerable upload endpoints to only trusted administrative networks and users, remove direct internet exposure of affected controllers, and limit upload capability to necessary accounts only. As compensating controls, restrict uploads to known-safe file types and implement server-side inspection or filtering of uploaded content where possible.

Remediation

Patch, then assume compromise.

Apply the vendor-provided patched firmware or updates from Daktronics. In addition, correct the upload handling by enforcing strict server-side allowlisting of permitted file types, validating file extensions, and performing content inspection on uploaded files before writing them to the server.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AnyDmp-5000hardware

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity6

Community discussion across Reddit, Mastodon, and other social sources.