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    CVE-2026-91853

    A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

    Published:Sep 15, 2026
    Last Modified:Sep 15, 2026
    EPS:Sep 15, 2026
    EPSS Score:
    CVSS Score:7.4

    Affected Products

    Vendor
    Totolink
    Product
    X5000r
    Vendor
    Totolink
    Product
    X5000r Firmware

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-8137 (CVSS 7.4) — A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the functi…
    CVE-2025-67445 (CVSS 7.5) — TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. Th…
    CVE-2025-70329 (CVSS 8) — TOTOLink X5000R v9.1.0cu_2415_B20250515 contains an OS command injection vulnerability in the setIptvCfg handl…
    CVE-2025-70327 (CVSS 9.8) — TOTOLINK X5000R v9.1.0cu_2415_B20250515 contains an argument injection vulnerability in the setDiagnosisCfg ha…
    CVE-2025-14586 (CVSS 2.1) — A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the functi…
    CVE-2025-13184 (CVSS 9.8) — Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a b…
    CVE-2025-9934 (CVSS 2.1) — A vulnerability was found in TOTOLINK X5000R 9.1.0cu.2415_B20250515. This affects the function sub_410C34 of t…
    CVE-2025-25604 (CVSS 6.5) — Totolink X5000R V9.1.0u.6369_B20230113 is vulnerable to command injection via the vif_disable function in mtkw…

    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