Replay Attack Vulnerability in KIA-branded Aftermarket Keyless Entry Systems

CVE-2025-6029

What is CVE-2025-6029?

CVE-2025-6029 is a vulnerability identified in KIA-branded aftermarket keyless entry systems, specifically targeting the generic smart keyless entry system distributed primarily in Ecuador. This vulnerability exploits the use of fixed learning codes in the Key Fob Transmitter, which relies on a single code to lock and another to unlock the vehicle. Such a design flaw allows malicious actors to launch replay attacks, where intercepted signals from the key fob can be reused to gain unauthorized access to vehicles. Consequently, organizations or individuals using these keyless entry systems risk significant vehicle theft and unauthorized entry, which can lead to financial loss or compromised security.

Potential Impact of CVE-2025-6029

1. Vehicle Theft: The primary concern surrounding this vulnerability is the risk of vehicle theft. By exploiting the replay attack, criminals can easily unlock and start vehicles without the legitimate key fob, resulting in a direct loss for vehicle owners and manufacturers.

2. Unauthorized Access to Sensitive Areas: Beyond impacting individual vehicle owners, the compromised keyless entry systems could allow unauthorized access to secure locations where the vehicles are parked, potentially leading to larger-scale security breaches.

3. Implications for Consumer Trust: The discovery of this vulnerability could undermine consumer trust in KIA-branded products, particularly in the realm of vehicle security. A decline in confidence could affect sales and brand reputation, with long-term repercussions for the manufacturer and associated retailers.

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The Cyber Express

CVE-2025-6029

KIA Keyless Entry Vulnerability CVE-2025-6029 Reported

Researcher reports CVE-2025-6029, a flaw in KIA Ecuador keyless entry systems, exposing thousands of vehicles to theft via replay, brute force, and cloning.

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