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    CVE-2025-5901

    A vulnerability has been found in TOTOLINK T10 4.1.8cu.5207 and classified as critical. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

    Published:Jun 9, 2025
    Last Modified:Jun 24, 2025
    EPS:Jun 9, 2025
    EPSS Score:0.00224
    CVSS Score:8.8

    Affected Products

    Vendor
    Totolink
    Product
    T10
    Vendor
    Totolink
    Product
    T10 Firmware

    Exploits

    https://candle-throne-f75.notion.site/TOTOLINK-T10-UploadCustomModule-20bdf0aa118580d59961cd545582c118https://candle-throne-f75.notion.site/TOTOLINK-T10-UploadCustomModule-20bdf0aa118580d59961cd545582c118

    Related CVEs

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    CVE-2025-44655 (CVSS 9.8) — In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.con…
    CVE-2025-6139 (CVSS 1.1) — A vulnerability, which was classified as problematic, has been found in TOTOLINK T10 4.1.8cu.5207. Affected by…
    CVE-2025-6138 (CVSS 7.4) — A vulnerability classified as critical was found in TOTOLINK T10 4.1.8cu.5207. Affected by this vulnerability …
    CVE-2025-6137 (CVSS 7.4) — A vulnerability classified as critical has been found in TOTOLINK T10 4.1.8cu.5207. Affected is the function s…
    CVE-2025-5905 (CVSS 7.4) — A vulnerability was found in TOTOLINK T10 4.1.8cu.5207. It has been rated as critical. Affected by this issue …
    CVE-2025-5904 (CVSS 7.4) — A vulnerability was found in TOTOLINK T10 4.1.8cu.5207. It has been declared as critical. Affected by this vul…
    CVE-2025-5903 (CVSS 7.4) — A vulnerability was found in TOTOLINK T10 4.1.8cu.5207. It has been classified as critical. Affected is the fu…
    CVE-2025-5902 (CVSS 7.4) — A vulnerability was found in TOTOLINK T10 4.1.8cu.5207 and classified as critical. This issue affects the func…

    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