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    CVE-2024-53406

    Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass. In the reconnection phase, the device reuses the session key from a previous connection session, creating an opportunity for attackers to execute security bypass attacks.

    Published:Mar 13, 2025
    Last Modified:Dec 31, 2025
    EPS:Mar 13, 2025
    EPSS Score:0.00112
    CVSS Score:8.8

    Affected Products

    Vendor
    Espressif
    Product
    Esp-idf

    Exploits

    https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Esp/sk_reuse.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-55687 (CVSS 7.5) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. Versions 6.0.1, 5.5.4, 5.4.4, 5.3.5, …
    CVE-2026-46532 (CVSS 4.6) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.…
    CVE-2026-45542 (CVSS 7.1) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.…
    CVE-2026-45329 (CVSS 7.1) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, several ES…
    CVE-2026-45328 (CVSS 9.3) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, the esp_te…
    CVE-2026-45160 (CVSS 6.5) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.…
    CVE-2026-45541 (CVSS 7.5) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.…
    CVE-2026-25508 (CVSS 6.3) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.…
    CVE-2026-25507 (CVSS 6.3) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.…
    CVE-2026-25532 (CVSS 6.3) — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High