Hoplon InfoSec
14 May, 2025
The rapid adoption of electric vehicles (EVs) has introduced unprecedented cybersecurity risks. Hackers exploit vulnerabilities in charging infrastructure, vehicle software, and grid connectivity to threaten driver safety, data privacy, and energy systems. As the world pushes towards greener transportation, the hidden vulnerabilities in Smart EVs technology pose significant threats that most drivers remain unaware of.
Recent research reveals systemic weaknesses across the EV ecosystem, from unsecured internet-connected charging stations to flaws in over-the-air update systems, raising urgent questions about automotive cybersecurity preparedness as the industry scales toward mass electrification.
Smart EVs charging stations, particularly public fast-charging networks, contain critical vulnerabilities that could enable grid destabilization, data theft, and vehicle compromise.
Studies have found that many tested stations lacked basic network segmentation, allowing attackers to pivot from payment systems to energy management controls.
Researchers have demonstrated how power line communication flaws in DC fast-chargers enabled “adversary-in-the-middle” attacks, intercepting authentication keys and manipulating charging parameters. These attacks are concerning because they can be executed remotely, without the need for physical access to the station.
The open-source charging firmware used in commercial stations worldwide has contained critical vulnerabilities that allowed remote code execution through insecure protocol implementation. In simple terms, hackers could send commands to the charger to manipulate its behavior, including halting charging sessions or even causing dangerous overcharging events.
An attacker could theoretically hijack charging sessions, overcharge batteries to cause thermal runaway—a condition where the battery overheats uncontrollably—or install persistent malware. In the worst cases, this could lead to physical damage to the vehicle or even fires.
Such vulnerabilities are exacerbated by the widespread use of outdated protocols in home chargers, creating entry points for denial-of-service attacks that could shut down an Smart EVs ability to charge entirely.
Additionally, there have been growing concerns over “juice jacking”—a form of cyber attack where compromised charging stations can extract personal data or inject malware into connected devices. Though more common in mobile devices, this threat is beginning to extend to Smart EVs as well.
Smart EVs software-defined architectures introduce complex attack vectors. Researchers have demonstrated how hackers could chain vulnerabilities in infotainment systems to gain root access to safety-critical systems like braking and steering. This means that cybercriminals could remotely control a vehicle’s speed, navigation, or even disable its safety features.
Similar exploits have enabled researchers to jailbreak vehicles, bypassing paywalls for premium features while exposing driver geolocation data and authentication tokens. For example, hackers could unlock paid features such as advanced driver assistance or in-car entertainment without the owner’s permission, risking both financial and data privacy.
Breaches of automotive backend systems have revealed how compromised API keys could remotely unlock doors, start engines, and manipulate emergency vehicle lights. These backend breaches are often made possible by unpatched software vulnerabilities that manufacturers overlook or delay fixing.
Experts note a convergence of IT and automotive security failures, where attackers no longer need physical access—a vulnerable OTA (Over-the-Air) update server or third-party app integration can provide complete vehicle control.
Moreover, with the rise of Vehicle-to-Everything (V2X) communication, where vehicles interact with infrastructure, other cars, and even pedestrians, the attack surface has significantly broadened. A compromised V2X communication could lead to manipulated traffic signals, fake emergency vehicle alerts, or grid-level disruptions.
Smart EVs generate massive amounts of data hourly, including detailed driver behavior patterns, charging histories, and biometric information from cabin sensors. This data, if not securely encrypted and stored, is a goldmine for cybercriminals.
Analyses of multiple Smart EVs models have found that most transmitted unencrypted vehicle identification numbers (VINs) via Bluetooth, enabling identity cloning and insurance fraud. Hackers can easily intercept these signals and use them to create duplicate profiles or unauthorized vehicle access.
Breaches of charging networks have exposed millions of charging logs containing credit card details and travel histories. Such data leaks can lead to not only financial theft but also targeted attacks based on driver habits and locations.
Most manufacturers treat data security as an afterthought, with vulnerabilities in telematics systems that could leak real-time location data and authentication credentials.
Integrating third-party apps like music streaming and social media further expands attack surfaces. Researchers have demonstrated how compromised infotainment systems could deploy ransomware across vehicle fleets.
The potential for “man-in-the-middle” attacks in public Wi-Fi hotspots used for infotainment and navigation adds another layer of vulnerability, as hackers could intercept data or inject malicious commands into the vehicle’s network.
While some regions mandate vehicle cybersecurity management systems, others still lack binding standards. Guidelines exist for secure development lifecycles, but implementation remains inconsistent across supply chains.
Updated cybersecurity best practices emphasize established frameworks but do not require specific technical controls. Many current regulations focus on safety-critical systems, often ignoring ancillary components that hackers target, like infotainment and navigation systems.
The fragmented regulatory environment complicates vulnerability disclosure, with researchers reporting long delays in patching critical firmware flaws in charging equipment.
The lack of a global standard for Smart EVs cybersecurity further complicates matters, leaving car owners dependent on manufacturers’ willingness to address security issues promptly.
Addressing Smart EVs cybersecurity requires coordinated action across four fronts:
To stay protected, Smart EVs owners should:
As Smart EVs adoption accelerates, the industry must prioritize cybersecurity as a safety imperative rather than a compliance checkbox.
The road to secure electrification demands collaboration between automakers, utilities, and regulators before cybercriminals exploit vulnerabilities we have yet to discover.
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