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    CVE-2023-35086

    It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by directly using input as a format string when calling syslog in logmessage_normal function, in the do_detwan_cgi module of httpd. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service. This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.

    Published:Jul 21, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 21, 2023
    EPSS Score:0.75121
    CVSS Score:7.2

    Affected Products

    Vendor
    Asus
    Product
    Rt-ac86u
    Vendor
    Asus
    Product
    Rt-ac86u Firmware
    Vendor
    Asus
    Product
    Rt-ax56u V2
    Vendor
    Asus
    Product
    Rt-ax56u V2 Firmware

    Exploits

    https://github.com/tin-z/CVE-2023-35086-POC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

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    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