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    CVE-2026-0640

    A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

    Published:Jan 6, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 6, 2026
    EPSS Score:0.00112
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Ac23
    Vendor
    Tenda
    Product
    Ac23 Firmware

    Exploits

    https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.mdhttps://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#poc

    Related CVEs

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    CVE-2025-12596 (CVSS 7.4) — A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentContr…
    CVE-2025-12595 (CVSS 7.4) — A weakness has been identified in Tenda AC23 16.03.07.52. This impacts the function formSetVirtualSer of the f…
    CVE-2025-11356 (CVSS 7.4) — A vulnerability was found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of th…
    CVE-2025-10803 (CVSS 7.4) — A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function…
    CVE-2025-9605 (CVSS 8.9) — A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetPar…
    CVE-2025-8060 (CVSS 7.4) — A vulnerability has been found in Tenda AC23 16.03.07.52 and classified as critical. Affected by this vulnerab…
    CVE-2025-3167 (CVSS 7.1) — A vulnerability, which was classified as problematic, has been found in Tenda AC23 16.03.07.52. This issue aff…

    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