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    CVE-2026-6168

    A flaw has been found in TOTOLINK A7000R up to 9.1.0u.6115. The affected element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid5g causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

    Published:Apr 13, 2026
    Last Modified:Apr 16, 2026
    EPS:Apr 13, 2026
    EPSS Score:0.00077
    CVSS Score:8.8

    Affected Products

    Vendor
    Totolink
    Product
    A7000r
    Vendor
    Totolink
    Product
    A7000r Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-1623 (CVSS 2.1) — A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the fil…
    CVE-2026-1601 (CVSS 2.1) — A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUs…
    CVE-2026-1548 (CVSS 2.1) — A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of …
    CVE-2026-1547 (CVSS 2.1) — A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the…
    CVE-2025-63154 (CVSS 7.5) — TOTOLink A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack overflow in the addEffect parameter o…
    CVE-2025-63153 (CVSS 7.5) — TOTOLink A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack overflow in the ssid parameter of the…
    CVE-2025-63459 (CVSS 7.5) — Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in …
    CVE-2025-63461 (CVSS 7.5) — Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in …
    CVE-2025-63460 (CVSS 7.5) — Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in …
    CVE-2025-63462 (CVSS 7.5) — Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the wifiOff parameter in…

    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