CVE-2022-0342 CGI program of Zyxel USG/ZyWALL series versions 4.20 through 4.70, USG FLEX versions 4.50 through 5.20, ATP 4.32 through 5.20 can be bypassed.

CVE-2022-0342 CGI program of Zyxel USG/ZyWALL series versions 4.20 through 4.70, USG FLEX versions 4.50 through 5.20, ATP 4.32 through 5.20 can be bypassed.

Zyxel has released a security update for these devices. For these devices, the latest firmware versions are 4.82 for the USG/ZyWALL series, 4.83 for the USG FLEX series, 5.20 for the ATP series, 4.31 for the VPN series, and 4.33 for the NSG series. To check the current firmware version, go to Settings > About device > Software information. Zyxel has released a security update for these devices. For these devices, the latest firmware versions are 4.82 for the USG/ZyWELLseries, 4.83 for the USG FLEX series, 5.20 for the ATP series, 4.31 for the VPN series, and 4.33 for the NSG series. To check the current firmware version, go to Settings > About device > Software information. Users are advised to upgrade to the latest version to avoid being vulnerable to a remote attack.

How to upgrade firmware

For instructions on how to upgrade firmware on your device, go to the following web page.
https://support.zyxel.com/knowledgebase/articles/827897-how-to-upgrade-firmware
If you cannot locate the firmware upgrade for a specific series in the table, try contacting Zyxel support for assistance.

Supported models

Users are advised to upgrade to the latest version to avoid being vulnerable to a remote attack.

USG/ZyWALL series

Users are advised to upgrade to the latest version to avoid being vulnerable to a remote attack.

USG Series

, ZyWALL and ZyWALL USG
Users are advised to upgrade to the latest version to avoid being vulnerable to a remote attack.

Zyxel USG Series

The Zyxel USG series is a series of network security appliances that are designed for the home and small office. These devices are used to make sure that the users have privacy and security on the internet. They use state-of-the-art hardware and software to provide a full suite of advanced features. The latest firmware versions include 4.82 for the USG/ZyWALL series, 4.83 for the USG FLEX series, 5.20 for the ATP series, 4.31 for the VPN series, and 4.33 for the NSG series

References

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