VYPR

USG FLEX series

by Zyxel

CVEs (53)

  • CVE-2025-11730HigFeb 5, 2026
    Zyxel
    ATP series
    risk 0.47cvss 7.2epss 0.01

    A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V5.35 through V5.41, USG FLEX series firmware versions from V5.35 through V5.41, USG FLEX 50(W) series firmware versions from…

  • CVE-2023-28771KEVApr 25, 2023
    Zyxel
    ATP
    risk 0.23cvss —epss 0.99

    Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an…

  • CVE-2024-11667KEVNov 27, 2024
    Zyxel
    ATP series
    risk 0.20cvss —epss 0.03

    A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series…

  • CVE-2023-33010KEVMay 24, 2023
    Zyxel
    ATP series
    risk 0.13cvss —epss 0.29

    A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions…

  • CVE-2023-33009KEVMay 24, 2023
    Zyxel
    ATP series
    risk 0.12cvss —epss 0.28

    A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions…

  • CVE-2022-0342Mar 28, 2022
    Zyxel
    ATP series
    risk 0.07cvss —epss 0.85

    An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG…

  • CVE-2023-33012Jul 17, 2023
    Zyxel
    ATP series
    risk 0.04cvss —epss 0.10

    A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series…

  • CVE-2025-1731Apr 22, 2025
    Zyxel
    USG FLEX series
    risk 0.03cvss —epss 0.01

    An incorrect permission assignment vulnerability in the PostgreSQL commands of the Zyxel USG FLEX H series uOS firmware versions from V1.20 through V1.31 could allow an authenticated local attacker with low privileges to gain access to the Linux shell and escalate their…

  • CVE-2025-9133Oct 21, 2025
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.05

    A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from…

  • CVE-2025-8078Oct 21, 2025
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware…

  • CVE-2025-1732Apr 22, 2025
    Zyxel
    USG FLEX series
    risk 0.00cvss —epss 0.00

    An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware version V1.31 and earlier could allow an authenticated local attacker with administrator privileges to upload a crafted configuration file and escalate privileges…

  • CVE-2024-9677Oct 22, 2024
    Zyxel
    USG FLEX series
    risk 0.00cvss —epss 0.00

    The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version V1.21 and earlier versions could allow an authenticated local attacker to gain privilege escalation by stealing the authentication token of a login…

  • CVE-2024-42061Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.00

    A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through…

  • CVE-2024-42060Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware…

  • CVE-2024-42059Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50(W) series firmware versions from V5.00 through V5.38, and USG20(W)-VPN series firmware…

  • CVE-2024-42058Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from…

  • CVE-2024-42057Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series…

  • CVE-2024-7203Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.60 through V5.38 and USG FLEX series firmware versions from V4.60 through V5.38 could allow an authenticated attacker with administrator privileges to execute some operating…

  • CVE-2024-6343Sep 3, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware…

  • CVE-2023-6764Feb 20, 2024
    Zyxel
    ATP series
    risk 0.00cvss —epss 0.01

    A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37…

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