Kaspersky Security Blog 2026-09-04

Hacking the Boeing 737: inside the Bus Driver attack | Kaspersky official blog

Refract AI Intelligence Digest

BLUF

A low-cost device under $100 can potentially exploit vulnerabilities in Boeing 737 avionics systems via the Bus Driver attack vector.

NEWS

Kaspersky researchers identified a specific attack method targeting Boeing 737 networks using affordable hardware components. The analysis explains the technical execution of the Bus Driver exploit while contextualizing its feasibility against existing security measures.

Why I Care

This vulnerability threatens aviation safety and operational continuity by exposing critical flight systems to inexpensive physical or network-based intrusions. Airlines, aircraft manufacturers, and regulatory agencies must address these legacy architecture risks to prevent potential hijacking or system failures.

Next Steps

Aviation operators should conduct immediate security audits of their Boeing 737 fleet connectivity protocols. Manufacturers need to release firmware patches or mitigation guidelines for the identified bus vulnerabilities within the next 90 days.

Researchers have found a way to hack Boeing 737 systems with a device that costs less than US$100. Here’s how the Bus Driver attack works, and how realistic a threat it actually is.

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Source: Kaspersky Security Blog · 2026-09-04

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