CVE-2023-6398

Summary

CVE-2023-6398 is a post-authentication command injection vulnerability affecting various Zyxel ATP, USG FLEX, USG FLEX H, NWA50AX, WAC500, WAX300H, and WBE660S firmware versions. This issue, found in the file upload binary, enables authenticated attackers with administrator privileges to execute OS commands on affected devices via FTP. Versions impacted include those from 4.32 to 5.37 Patch 1 for ATP and USG FLEX series devices, 1.10 through 1.10 Patch 1 for USG FLEX H series, and through 6.29(ABYW.3) for NWA50AX, amongst others.

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