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    CVE-2026-3804

    A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet. The manipulation of the argument index results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

    Published:Mar 9, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 9, 2026
    EPSS Score:0.00092
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    I3
    Vendor
    Tenda
    Product
    I3 Firmware

    Exploits

    https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formWifiMacFilterSet-index-buffer-overflow

    Related CVEs

    CVE-2026-5841 (CVSS 5.5) — A weakness has been identified in Tenda i3 1.0.0.6(2204). The affected element is the function R7WebsSecurityH…
    CVE-2026-3971 (CVSS 7.4) — A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formw…
    CVE-2026-3970 (CVSS 7.4) — A flaw has been found in Tenda i3 1.0.0.6(2204). Affected is the function formwrlSSIDget of the file /goform/w…
    CVE-2026-3803 (CVSS 7.4) — A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of th…
    CVE-2026-3802 (CVSS 7.4) — A vulnerability was determined in Tenda i3 1.0.0.6(2204). Affected by this issue is the function formexeComman…
    CVE-2026-3801 (CVSS 7.4) — A vulnerability was found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formSetAut…
    CVE-2026-3799 (CVSS 7.4) — A flaw has been found in Tenda i3 1.0.0.6(2204). This impacts the function formSetCfm of the file /goform/setc…

    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