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    CVE-2026-4309

    Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.

    Published:Mar 27, 2026
    Last Modified:Apr 20, 2026
    EPS:Mar 27, 2026
    EPSS Score:0.00054
    CVSS Score:6.5

    Affected Products

    Vendor
    Nec
    Product
    Aterm W1200ex(-ms)
    Vendor
    Nec
    Product
    Aterm W1200ex-ms
    Vendor
    Nec
    Product
    Aterm W1200ex-ms Firmware
    Vendor
    Nec
    Product
    Aterm Wf1200cr
    Vendor
    Nec
    Product
    Aterm Wf1200cr Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200cr
    Vendor
    Nec
    Product
    Aterm Wg1200cr Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hp2
    Vendor
    Nec
    Product
    Aterm Wg1200hp2 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hp3
    Vendor
    Nec
    Product
    Aterm Wg1200hp3 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hp4
    Vendor
    Nec
    Product
    Aterm Wg1200hp4 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hs2
    Vendor
    Nec
    Product
    Aterm Wg1200hs2 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hs3
    Vendor
    Nec
    Product
    Aterm Wg1200hs3 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200hs4
    Vendor
    Nec
    Product
    Aterm Wg1200hs4 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1800hp3
    Vendor
    Nec
    Product
    Aterm Wg1800hp3 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1800hp4
    Vendor
    Nec
    Product
    Aterm Wg1800hp4 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1900hp
    Vendor
    Nec
    Product
    Aterm Wg1900hp2
    Vendor
    Nec
    Product
    Aterm Wg1900hp2 Firmware
    Vendor
    Nec
    Product
    Aterm Wg1900hp Firmware
    Vendor
    Nec
    Product
    Aterm Wg2600hm4
    Vendor
    Nec
    Product
    Aterm Wg2600hm4 Firmware
    Vendor
    Nec
    Product
    Aterm Wg2600hp4
    Vendor
    Nec
    Product
    Aterm Wg2600hp4 Firmware
    Vendor
    Nec
    Product
    Aterm Wg2600hs
    Vendor
    Nec
    Product
    Aterm Wg2600hs2
    Vendor
    Nec
    Product
    Aterm Wg2600hs2 Firmware
    Vendor
    Nec
    Product
    Aterm Wg2600hs Firmware
    Vendor
    Nec
    Product
    Aterm Wx1500hp
    Vendor
    Nec
    Product
    Aterm Wx1500hp Firmware
    Vendor
    Nec
    Product
    Aterm Wx3000hp
    Vendor
    Nec
    Product
    Aterm Wx3000hp Firmware
    Vendor
    Nec
    Product
    Aterm Wx3600hp
    Vendor
    Nec
    Product
    Aterm Wx3600hp Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    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