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    CVE-2025-57638

    Buffer overflow vulnerability in Tenda AC9 1.0 via the user supplied sys.vendor configuration value.

    Published:Sep 23, 2025
    Last Modified:Sep 25, 2025
    EPS:Sep 23, 2025
    EPSS Score:0.0004
    CVSS Score:7.5

    Affected Products

    Vendor
    Tenda
    Product
    Ac9
    Vendor
    Tenda
    Product
    Ac9 Firmware

    Exploits

    https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda1.md

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-86300 (CVSS 5.5) — A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the compone…
    CVE-2026-6016 (CVSS 7.4) — A vulnerability was found in Tenda AC9 15.03.02.13. The affected element is the function decodePwd of the file…
    CVE-2026-6015 (CVSS 7.4) — A vulnerability has been found in Tenda AC9 15.03.02.13. Impacted is the function formQuickIndex of the file /…
    CVE-2026-2192 (CVSS 7.3) — A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is t…
    CVE-2026-2191 (CVSS 7.3) — A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList…
    CVE-2025-14286 (CVSS 5.5) — A vulnerability was determined in Tenda AC9 15.03.05.14_multi. Affected by this vulnerability is an unknown fu…
    CVE-2025-57639 (CVSS 6.5) — OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection vulnerabilit…
    CVE-2025-10443 (CVSS 7.4) — A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18. This vulnerability affects the f…
    CVE-2025-10442 (CVSS 2.1) — A vulnerability was determined in Tenda AC9 and AC15 15.03.05.14. This affects the function formexeCommand of …
    CVE-2025-9731 (CVSS 1.1) — A vulnerability was determined in Tenda AC9 15.03.05.19. The impacted element is an unknown function of the fi…

    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