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Hard-coded/default administrative credentials in Daktronics DMP-5000 controller firmware

IdentifiersCVE-2026-31928CWE-798

CVE-2026-31928 affects Daktronics DMP-5000 controller firmware. The devices are shipped with a default administrative web account protected by weak authentication controls, and the credentials are not required to be changed during initial configuration or normal operation. This creates a remotely exploitable authentication weakness consistent with the use of hard-coded or default credentials in the device web management interface. An attacker who can reach the administrative web interface can authenticate using the default account and obtain full system access.

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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 unauthenticated remote attacker to log in to the affected DMP-5000 device's web administrative interface and gain full system access. Given the stated high impacts to confidentiality, integrity, and availability, an attacker could access sensitive configuration or operational data, modify device settings or content, and disrupt or disable device operation.

Mitigation

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

Restrict network exposure of the administrative web interface to trusted management networks only, using segmentation, ACLs, or firewall rules. Disable unused default accounts where possible. Implement multi-factor authentication if the platform supports it. Continuously audit devices for unchanged default credentials and monitor administrative access for unauthorized logins.

Remediation

Patch, then assume compromise.

Immediately change the default administrative credentials on affected DMP-5000 devices. Enforce strong password complexity and uniqueness requirements for all administrative accounts. Where supported, remove or disable default accounts that are not operationally required. Apply any vendor-provided firmware or configuration updates from Daktronics or follow ICS-CERT/vendor guidance if a product fix becomes available.
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

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VendorProductType
AnyDmp-5000hardware

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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

Social activity5

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