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    CVE-2026-75166

    Insecure Permission vulnerability in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows the low-privileged service user to execute /usr/bin/tcpdump as root without a password. By leveraging the tcpdump -z option, an authenticated attacker can achieve arbitrary command execution.

    Published:Sep 4, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 4, 2026
    EPSS Score:0.00198
    CVSS Score:8.8

    Affected Products

    Vendor
    Mbs-solutions
    Product
    X-serie Gateway

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-75164 (CVSS 6.5) — An arbitrary file read vulnerability in /cgi-bin/ugwdownload.cgi of MBS-Solutions X-Serie Gateway firmware V6_…
    CVE-2026-75161 (CVSS 8.8) — An issue in the ugw-restart method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 a…
    CVE-2026-75163 (CVSS 6.5) — An information disclosure vulnerability in the ugw-deviceinfo method of /cgi-bin/wwwugw.cgi in MBS-Solutions X…
    CVE-2026-75160 (CVSS 9.1) — An issue in X-Serie Gateway Firmware V6_00_05 allows a remote attacker to escalate privileges via the endpoint…
    CVE-2026-75167 — A broken access control vulnerability in the ugw-usr-edit method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Ser…
    CVE-2026-75168 (CVSS 6.3) — An issue in the ugw-editfile method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 …
    CVE-2026-75169 (CVSS 8.8) — An arbitrary file upload vulnerability in /cgi-bin/ugwupload.cgi of MBS-Solutions X-Serie Gateway firmware V6_…
    CVE-2026-75162 (CVSS 6.5) — An information disclosure vulnerability in the opcua-configuration method of /cgi-bin/wwwugw.cgi in MBS-Soluti…
    CVE-2026-75165 (CVSS 6.5) — An issue in /cgi-bin/wwwugw.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticat…

    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