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    CVE-2026-3398

    A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

    Published:Mar 1, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 1, 2026
    EPSS Score:0.00092
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    F453
    Vendor
    Tenda
    Product
    F453 Firmware

    Exploits

    https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md

    Related CVEs

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    CVE-2026-4552 (CVSS 7.4) — A vulnerability was determined in Tenda F453 1.0.0.3. This issue affects the function fromVirtualSer of the fi…
    CVE-2026-4551 (CVSS 7.4) — A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSafeClientFilter …
    CVE-2026-3769 (CVSS 7.4) — A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function WrlclientSet of the…
    CVE-2026-3768 (CVSS 7.4) — A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the functi…
    CVE-2026-3732 (CVSS 7.4) — A security vulnerability has been detected in Tenda F453 1.0.0.3. This affects the function strcpy of the file…
    CVE-2026-3729 (CVSS 7.4) — A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the fil…

    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