VYPR

USG FLEX series

by Zyxel

CVEs (53)

  • CVE-2023-28771CriKEVApr 25, 2023
    Zyxel
    ATP series
    risk 0.87cvss 9.8epss 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-2023-33010CriKEVMay 24, 2023
    Zyxel
    ATP series firmware
    risk 0.78cvss 9.8epss 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-2023-33009CriKEVMay 24, 2023
    Zyxel
    ATP series firmware
    risk 0.78cvss 9.8epss 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-2022-0342CriMar 28, 2022
    Zyxel
    ATP series
    risk 0.70cvss 9.8epss 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-2024-11667HigKEVNov 27, 2024
    Zyxel
    ATP series
    risk 0.67cvss 7.5epss 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-2021-35029CriJul 2, 2021
    Zyxel
    USG Flex, ATP, and VPN series
    risk 0.64cvss 9.8epss 0.02

    An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands…

  • CVE-2023-33012HigJul 17, 2023
    Zyxel
    ATP series firmware
    risk 0.61cvss 8.8epss 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-2023-34139HigJul 17, 2023
    Zyxel
    USG FLEX
    risk 0.57cvss 8.8epss 0.01

    A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS…

  • CVE-2023-33011HigJul 17, 2023
    Zyxel
    ATP series
    risk 0.57cvss 8.8epss 0.00

    A format string vulnerability in 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 firmware versions 5.10 through…

  • CVE-2023-28767HigJul 17, 2023
    Zyxel
    ATP series firmware
    risk 0.57cvss 8.8epss 0.00

    The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36,  USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware…

  • CVE-2023-27991HigApr 24, 2023
    Zyxel
    ATP series firmware
    risk 0.57cvss 8.8epss 0.02

    The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16…

  • CVE-2025-1731HigApr 22, 2025
    Zyxel
    USG FLEX series firmware
    risk 0.54cvss 7.8epss 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-2024-42057HigSep 3, 2024
    Zyxel
    ATP series
    risk 0.53cvss 8.1epss 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-2023-6764HigFeb 20, 2024
    Zyxel
    ATP series firmware
    risk 0.53cvss 8.1epss 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…

  • CVE-2023-22916HigApr 24, 2023
    Zyxel
    ATP series
    risk 0.53cvss 8.1epss 0.01

    The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00…

  • CVE-2023-22913HigApr 24, 2023
    Zyxel
    USG FLEX series
    risk 0.53cvss 8.1epss 0.01

    A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify…

  • CVE-2023-34141HigJul 17, 2023
    Zyxel
    ATP series
    risk 0.52cvss 8.0epss 0.01

    A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2,…

  • CVE-2023-34138HigJul 17, 2023
    Zyxel
    ATP series firmware
    risk 0.52cvss 8.0epss 0.01

    A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN…

  • CVE-2022-26532HigMay 24, 2022
    Zyxel
    ATP series
    risk 0.51cvss 7.8epss 0.05

    A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through…

  • CVE-2024-42058HigSep 3, 2024
    Zyxel
    ATP series firmware
    risk 0.49cvss 7.5epss 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…

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