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    CVE-2026-9443

    A security vulnerability has been detected in Edimax BR-6478AC 1.23. This vulnerability affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. The manipulation of the argument L2TPUserName leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:May 25, 2026
    Last Modified:May 26, 2026
    EPS:May 25, 2026
    EPSS Score:0.00041
    CVSS Score:8.8

    Affected Products

    Vendor
    Edimax
    Product
    Br-6478ac
    Vendor
    Edimax
    Product
    Br-6478ac Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-10166 (CVSS 2.1) — A vulnerability was determined in Edimax BR-6478AC 1.23. The affected element is the function formWlbasic of t…
    CVE-2026-10165 (CVSS 7.4) — A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetu…
    CVE-2026-10164 (CVSS 7.4) — A vulnerability was found in Edimax BR-6478AC 1.23. Impacted is the function formUSBFolder of the file /goform…
    CVE-2026-10163 (CVSS 7.4) — A vulnerability has been found in Edimax BR-6478AC 1.23. This issue affects the function formUSBAccount of the…
    CVE-2026-10127 (CVSS 2.1) — A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formStaDrvSetup of the file…
    CVE-2026-10126 (CVSS 7.4) — A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formQoS o…
    CVE-2026-10125 (CVSS 7.4) — A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formPP…
    CVE-2026-9442 (CVSS 7.4) — A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formiNICSiteSurvey of the f…
    CVE-2026-9441 (CVSS 2.1) — A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formiNICb…
    CVE-2026-9440 (CVSS 2.1) — A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formAc…

    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