CVE-2023-35138

Summary

CVE-2023-35138 is a command injection vulnerability discovered in the "show_zysync_server_contents" function of Zyxel NAS326 firmware V5.21(AAZF.14)C0 and NAS542 firmware V5.21(ABAG.11)C0. This issue enables unauthenticated attackers to execute OS commands by sending a specially crafted HTTP POST request. Successful exploitation could result in significant unauthorized access and system compromise. Users are urged to update their firmware as soon as possible to mitigate this risk.

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