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    CVE-2026-7609

    A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of the file /tmp/diagnostic of the component Firmware Udpate. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

    Published:May 2, 2026
    Last Modified:May 6, 2026
    EPS:May 2, 2026
    EPSS Score:0.01058
    CVSS Score:6.3

    Affected Products

    Vendor
    Trendnet
    Product
    Tew-821dap
    Vendor
    Trendnet
    Product
    Tew-821dap Firmware

    Exploits

    https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.md

    Related CVEs

    CVE-2026-77946 (CVSS 9.3) — A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the functio…
    CVE-2026-77945 (CVSS 2.1) — A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-b…
    CVE-2026-76582 (CVSS 2.1) — A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected is the function popen/system of the …
    CVE-2026-15487 (CVSS 5.3) — A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub_41FBD0 of the file /go…
    CVE-2026-15486 (CVSS 5.3) — A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub_42026C of the fil…
    CVE-2026-15485 (CVSS 5.3) — A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub_43F2C4 of the f…
    CVE-2026-15484 (CVSS 8.7) — A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub_41EC14 o…
    CVE-2026-15483 (CVSS 8.7) — A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14…
    CVE-2026-7611 (CVSS 6.3) — A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function platform_do_upgrade_…
    CVE-2026-7610 (CVSS 2.9) — A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /w…

    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