New controller flaws expose highway signs and billboards to remote hacking

Critical and high-severity vulnerabilities in some Daktronics controllers could allow hackers to tamper with highway signs and billboards, according to the cybersecurity researcher who discovered the flaws.

Daktronics is an American company that designs, manufactures, and services large-scale LED video displays, electronic scoreboards, digital billboards, and dynamic audio systems. Its displays can be seen worldwide, spanning everything from high school gymnasiums and professional sports arenas to highways, international airports, and metropolitan billboards. 

According to an advisory published by CISA last week, the Daktronics VFC-DMP-5000, DMP-5000, and DMP-8000 controllers, which control the company’s large-scale displays, are affected by three vulnerabilities.

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