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    CVE-2026-3974

    A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.

    Published:Mar 12, 2026
    Last Modified:Apr 3, 2026
    EPS:Mar 12, 2026
    EPSS Score:0.00048
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    W3
    Vendor
    Tenda
    Product
    W3 Firmware

    Exploits

    https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formexeCommand-cmdinput-buffer-overflow

    Related CVEs

    CVE-2026-4008 (CVSS 7.4) — A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /gofor…
    CVE-2026-4007 (CVSS 7.4) — A vulnerability was detected in Tenda W3 1.0.0.3(2204). This vulnerability affects unknown code of the file /g…
    CVE-2026-3976 (CVSS 7.4) — A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the…
    CVE-2026-3975 (CVSS 7.4) — A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilt…
    CVE-2026-3973 (CVSS 7.4) — A vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the fil…
    CVE-2026-3972 (CVSS 7.4) — A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the …

    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