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    CVE-2025-31703

    A vulnerability found in Dahua NVR/XVR device. A third-party malicious attacker with physical access to the device may gain access to a restricted shell via the serial port, and bypasses the shell's authentication mechanism to escalate privileges.

    Published:Mar 18, 2026
    Last Modified:Mar 24, 2026
    EPS:Mar 18, 2026
    EPSS Score:0.00028
    CVSS Score:2.4

    Affected Products

    Vendor
    Dahua
    Product
    Nvr2-4ks3
    Vendor
    Dahua
    Product
    Xvr1b16h-i/t
    Vendor
    Dahua
    Product
    Xvr4232an-i/t

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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