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    CVE-2026-1459

    A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.

    Published:Feb 24, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 24, 2026
    EPSS Score:0.00026
    CVSS Score:7.2

    Affected Products

    Vendor
    Zyxel
    Product
    Dx5401-b1
    Vendor
    Zyxel
    Product
    Dx5401-b1 Firmware
    Vendor
    Zyxel
    Product
    Emg3525-t50b
    Vendor
    Zyxel
    Product
    Emg3525-t50b Firmware
    Vendor
    Zyxel
    Product
    Emg5523-t50b
    Vendor
    Zyxel
    Product
    Emg5523-t50b Firmware
    Vendor
    Zyxel
    Product
    Vmg3625-t50b
    Vendor
    Zyxel
    Product
    Vmg3625-t50b Firmware
    Vendor
    Zyxel
    Product
    Vmg3625-t50c
    Vendor
    Zyxel
    Product
    Vmg3625-t50c Firmware
    Vendor
    Zyxel
    Product
    Vmg8623-t50b
    Vendor
    Zyxel
    Product
    Vmg8623-t50b Firmware

    Exploits

    https://github.com/Toouch67/CVE-2026-1459-POC

    Related CVEs

    CVE-2025-13943 (CVSS 8.8) — A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0…
    CVE-2025-11848 (CVSS 4.9) — A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware ver…
    CVE-2025-11847 (CVSS 4.9) — A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware ver…
    CVE-2025-11846 (CVSS 4.9) — A null pointer dereference vulnerability in the account settings CGI program of the Zyxel VMG3625-T50B firmwar…
    CVE-2025-11845 (CVSS 4.9) — A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B f…
    CVE-2025-8693 (CVSS 8.8) — A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware vers…
    CVE-2025-6599 (CVSS 5.3) — An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(…
    CVE-2024-12010 (CVSS 7.2) — A post-authentication command injection vulnerability in the ”zyUtilMailSend” function of the Zyxel AX7501-B1 …
    CVE-2024-12009 (CVSS 7.2) — A post-authentication command injection vulnerability in the "ZyEE" function of the Zyxel EX5601-T1 firmware v…
    CVE-2024-9197 (CVSS 4.9) — A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3…

    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