Executive Summary

CVE-2025-9709 is a vulnerability in the Nordic Semiconductor nRF52810 chip's On-Chip Debug and Test Interface. It involves improper access control and insufficient protection against Electromagnetic Fault Injection (EM-FI). An attacker with physical access can use EM-FI to bypass the APPROTECT security feature at runtime with minimal hardware modification, potentially gaining unauthorized control over the device. [1]

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Impact Analysis

This vulnerability allows attackers with physical access to the affected device to bypass security protections and gain unauthorized access to sensitive data or control of the device. This can lead to data breaches, device manipulation, and compromise of system integrity, posing significant security risks especially in environments relying on the affected chip. [1]

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Mitigation Strategies

Immediate mitigation steps are not detailed in the provided resources. However, since the vulnerability involves electromagnetic fault injection (EM-FI) to bypass security protections on the Nordic Semiconductor nRF52810 chip, physical access to the device should be strictly controlled to prevent exploitation. Additionally, device manufacturers are encouraged to implement robust security measures in hardware design to protect against such attacks. [1]

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