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    CVE-2026-6139

    A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

    Published:Apr 13, 2026
    Last Modified:Apr 14, 2026
    EPS:Apr 13, 2026
    EPSS Score:0.00892
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    A7100ru
    Vendor
    Totolink
    Product
    A7100ru Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-6195 (CVSS 8.9) — A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is…
    CVE-2026-6156 (CVSS 8.9) — A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function…
    CVE-2026-6155 (CVSS 8.9) — A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg …
    CVE-2026-6154 (CVSS 8.9) — A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the func…
    CVE-2026-6140 (CVSS 8.9) — A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFi…
    CVE-2026-6138 (CVSS 8.9) — A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccess…
    CVE-2026-6132 (CVSS 8.9) — A vulnerability was determined in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the functio…
    CVE-2026-6131 (CVSS 8.9) — A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the func…
    CVE-2026-6116 (CVSS 8.9) — A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the functi…
    CVE-2026-6115 (CVSS 8.9) — A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setAppCfg of the fil…

    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