Zyxel Atp800
43 CVEs affecting Zyxel Atp800. Latest disclosed: 2025-10-21. Critical: 7, High: 17.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2023-33010 | Critical | 9.8 | 2023-05-24 | 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 version… |
CVE-2023-33009 | Critical | 9.8 | 2023-05-24 | 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… |
CVE-2023-28771 | Critical | 9.8 | 2023-04-25 | 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… |
CVE-2022-30525 | Critical | 9.8 | 2022-05-12 | A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5… |
CVE-2022-0342 | Critical | 9.8 | 2022-03-28 | 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 4.5… |
CVE-2020-29583 | Critical | 9.8 | 2020-12-22 | Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found i… |
CVE-2020-9054 | Critical | 9.8 | 2020-03-04 | Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may all… |
CVE-2023-27991 | High | 8.8 | 2023-04-24 | 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 ve… |
CVE-2025-9133 | High | 8.1 | 2025-10-21 | 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 V5.4… |
CVE-2024-42057 | High | 8.1 | 2024-09-03 | 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 fr… |
CVE-2023-6764 | High | 8.1 | 2024-02-20 | 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… |
CVE-2023-22916 | High | 8.1 | 2023-04-24 | 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… |
CVE-2022-30526 | High | 7.8 | 2022-07-19 | A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware vers… |
CVE-2022-26532 | High | 7.8 | 2022-05-24 | 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 v… |
CVE-2024-11667 | High | 7.5 | 2024-11-27 | A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware version… |
CVE-2024-42058 | High | 7.5 | 2024-09-03 | 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 V… |
CVE-2023-4398 | High | 7.5 | 2023-11-28 | An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 throu… |
CVE-2023-22917 | High | 7.5 | 2023-04-24 | A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00… |
CVE-2025-8078 | High | 7.2 | 2025-10-21 | 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… |
CVE-2024-7203 | High | 7.2 | 2024-09-03 | 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… |