CVE-2026-31928 Daktronics Controller Firmware Use of Hard-coded Credentials

Critical 9.3 Published 26 Jun 2026 Updated 29 Jun 2026

Attackers can use default administrative credentials to gain full system access on Daktronics display controllers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-31928?

CVE-2026-31928 is a critical vulnerability in Daktronics DMP-5000, published on 26 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The DMP-5000 devices are shipped with a default administrative web account with weak authentication controls, which are not required to be changed during initial configuration or operation. Using these accounts provides full system access.

Weakness: CWE-798

Which versions are affected by CVE-2026-31928?

It affects 3 products.

Products include Daktronics Dmp-5000 Firmware, Daktronics Dmp-8000 Firmware, Daktronics Vfc-Dmp-5000 Firmware.

How do I fix CVE-2026-31928?

No fix has been published for CVE-2026-31928 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-31928 being exploited?

There is no known exploitation of CVE-2026-31928 in the wild and no public exploit code.

Sources

Also known as GHSA-rf2w-j7p7-rw94.