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    CVE-2026-3677

    A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

    Published:Mar 7, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 7, 2026
    EPSS Score:0.00092
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Fh451
    Vendor
    Tenda
    Product
    Fh451 Firmware

    Exploits

    https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_61/README.md

    Related CVEs

    CVE-2026-36786 (CVSS 7.5) — Shenzhen Tenda Technology Co., Ltd Tenda FH451 V1.0.0.9 was discovered to contain a stack overflow in the list…
    CVE-2026-36785 (CVSS 7.5) — Shenzhen Tenda Technology Co., Ltd Tenda FH451 V1.0.0.9 was discovered to contain a stack overflow in the page…
    CVE-2026-4535 (CVSS 7.4) — A vulnerability has been found in Tenda FH451 1.0.0.9. This vulnerability affects the function WrlclientSet of…
    CVE-2026-4534 (CVSS 7.4) — A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/Wr…
    CVE-2026-3679 (CVSS 7.4) — A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuic…
    CVE-2026-3678 (CVSS 7.4) — A vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/…
    CVE-2026-2911 (CVSS 7.4) — A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the…
    CVE-2025-7855 (CVSS 8.7) — A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the…
    CVE-2025-7854 (CVSS 7.4) — A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function fromVir…
    CVE-2025-7853 (CVSS 7.4) — A vulnerability was found in Tenda FH451 1.0.0.9. It has been rated as critical. This issue affects the functi…

    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