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    CVE-2026-7748

    A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

    Published:May 4, 2026
    Last Modified:May 4, 2026
    EPS:May 4, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Totolink
    Product
    N300rh
    Vendor
    Totolink
    Product
    N300rh Firmware

    Exploits

    No exploit reference

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    CVE-2026-6158 (CVSS 5.5) — A flaw has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setUpgradeUboot of the …
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    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