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    CVE-2026-75121

    PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_vlan_membership_edit_dialog_post handler incorporates the memberTags POST parameter into a shell command without sanitization. A remote authenticated attacker can send a crafted memberTags value to execute arbitrary operating-system commands on the device.

    Published:Aug 28, 2026
    Last Modified:Sep 1, 2026
    EPS:Aug 28, 2026
    EPSS Score:0.01148
    CVSS Score:7.2

    Affected Products

    Vendor
    Planet Technology Corp
    Product
    Planet Gs-4210-16p2s

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-77218 (CVSS 6.9) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains authenticated stack buffer overflow vulnerabilit…
    CVE-2026-77217 (CVSS 6.9) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains authenticated stack buffer overflow and null poi…
    CVE-2026-75126 (CVSS 6.9) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains multiple authenticated stack buffer overflow vul…
    CVE-2026-75125 (CVSS 6.9) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated null pointer dereference vulner…
    CVE-2026-75124 (CVSS 8.7) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains a pre-authentication memory corruption vulnerabi…
    CVE-2026-75123 (CVSS 8.6) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerabil…
    CVE-2026-75122 (CVSS 8.6) — PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerabil…

    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