By
Gigabit Systems
August 22, 2025
•
20 min read
The New Key Fob Exploit Every Driver Should Know
🔓 One Click, Many Break-Ins: The New Key Fob Exploit Every Driver Should Know
Flipper Zero just made car hacking modular—and millions of vehicles are now vulnerable
Car manufacturers once thought rolling code encryption was unbreakable.
Not anymore.
A new exploit using the Flipper Zero has shattered that illusion—capturing just one key fob signal is now enough to unlock and control a car repeatedly.
How the Attack Works
🚗 Rolling codes are supposed to protect keyless entry by generating a new one-time-use code with each press.
📡 But with a custom Flipper Zero mod, attackers can:
Capture a single unlock signal
Reverse-engineer future rolling codes
Unlock, relock, and pop the trunk—on demand
This is a modern twist on the 2022 RollBack attack, except now it’s:
💻 Easier to use
🔁 Repeatable
💰 Being sold online for $1,000 or less
And yes—that price is dropping fast.
Why This Is a Game-Changer
This isn’t just about high-end vehicles anymore.
🚘 Everyday cars with remote keyless entry are now targets.
📉 Car owners and dealerships may not even know they’ve been compromised.
🔐 Security through obscurity no longer works—if it ever did.
Modern vehicles now face signal replay attacks from pocket-sized devices.
This isn’t science fiction. It’s a product listing.
What You Can Do
Whether you’re an auto dealer, fleet manager, security firm, or just a cautious driver, here are a few smart moves:
Store key fobs in Faraday pouches to block passive signal capture.
Update firmware—some manufacturers may issue patches (if their systems support it).
Harden physical access policies—especially in valet, rental, and fleet settings.
Stay informed—threat actors evolve fast, and so must your defenses.
Bigger Picture
As wireless convenience spreads, so does wireless risk.
The commoditization of exploits like this will reshape how we think about trust in physical security—not just for cars, but for everything with a signal.
70% of all cyber attacks target small businesses. I can help protect yours.
See some more of our most recent posts...