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    CVE-2026-5996

    A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tty_server leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

    Published:Apr 10, 2026
    Last Modified:Apr 14, 2026
    EPS:Apr 10, 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

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    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…
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    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…

    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