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    3 vulnerabilities by INSTAR

    CVE-2025-8761 (GCVE-0-2025-8761)

    Vulnerability from cvelistv5 – Published: 2025-08-13 06:14 – Updated: 2025-08-13 13:29
    VLAI
    Title
    INSTAR 2K+/4K Backend IPC Server denial of service
    Summary
    A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    INSTAR 2K+ Affected: 3.11.1 Build 1124
    Create a notification for this product.
    INSTAR 4K Affected: 3.11.1 Build 1124
    Create a notification for this product.
    Credits
    Michael Imfeld (modzero AG)
    Show details on NVD website

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    CVE-2025-8762 (GCVE-0-2025-8762)

    Vulnerability from cvelistv5 – Published: 2025-08-13 06:14 – Updated: 2025-08-13 13:30
    VLAI
    Title
    INSTAR 2K+/4K UART improper physical access control
    Summary
    A vulnerability was found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper physical access control. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1263 - Improper Physical Access Control
    • CWE-284 - Improper Access Controls
    Assigner
    References
    Impacted products
    Vendor Product Version
    INSTAR 2K+ Affected: 3.11.1 Build 1124
    Create a notification for this product.
    INSTAR 4K Affected: 3.11.1 Build 1124
    Create a notification for this product.
    Credits
    Michael Imfeld (modzero AG)
    Show details on NVD website

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    CVE-2025-8760 (GCVE-0-2025-8760)

    Vulnerability from cvelistv5 – Published: 2025-08-13 06:14 – Updated: 2025-08-13 13:31
    VLAI
    Title
    INSTAR 2K+/4K fcgi_server base64_decode buffer overflow
    Summary
    A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    URL Tags
    https://vuldb.com/?id.319863 vdb-entrytechnical-description
    https://vuldb.com/?ctiid.319863 signaturepermissions-required
    https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf related
    Impacted products
    Vendor Product Version
    INSTAR 2K+ Affected: 3.11.1 Build 1124
    Create a notification for this product.
    INSTAR 4K Affected: 3.11.1 Build 1124
    Create a notification for this product.
    Credits
    Michael Imfeld (modzero AG)
    Show details on NVD website

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