Filtered by vendor Zyxel
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Total
330 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2024-11253 | 1 Zyxel | 12 Dm4200-b0, Dm4200-b0 Firmware, Emg5723-t50k and 9 more | 2026-06-17 | N/A | 7.2 HIGH |
| A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device. | |||||
| CVE-2024-0816 | 1 Zyxel | 130 Ax7501-b0, Ax7501-b0 Firmware, Ax7501-b1 and 127 more | 2026-06-17 | N/A | 5.5 MEDIUM |
| The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticated local attacker to cause denial of service (DoS) conditions by executing the CLI command with crafted strings on an affected device. | |||||
| CVE-2023-6764 | 1 Zyxel | 42 Atp100, Atp100 Firmware, Atp100w and 39 more | 2026-06-17 | N/A | 8.1 HIGH |
| 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 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration. | |||||
| CVE-2023-6399 | 1 Zyxel | 44 Atp100, Atp100 Firmware, Atp100w and 41 more | 2026-06-17 | N/A | 5.7 MEDIUM |
| A format string vulnerability 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 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, and USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1 could allow an authenticated IPSec VPN user to cause DoS conditions against the “deviceid” daemon by sending a crafted hostname to an affected device if it has the “Device Insight” feature enabled. | |||||
| CVE-2023-6398 | 1 Zyxel | 84 Atp100, Atp100 Firmware, Atp100w and 81 more | 2026-06-17 | N/A | 7.2 HIGH |
| A post-authentication command injection vulnerability in the file upload binary 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 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1, NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP. | |||||
| CVE-2023-6397 | 1 Zyxel | 38 Atp100, Atp100 Firmware, Atp100w and 35 more | 2026-06-17 | N/A | 6.5 MEDIUM |
| A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled. | |||||
| CVE-2023-5960 | 1 Zyxel | 12 Usg Flex 100, Usg Flex 100w, Usg Flex 200 and 9 more | 2026-06-17 | N/A | 5.5 MEDIUM |
| An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.37 and VPN series firmware versions 4.30 through 5.37 could allow an authenticated local attacker to access the system files on an affected device. | |||||
| CVE-2023-5797 | 1 Zyxel | 58 Atp100, Atp100w, Atp200 and 55 more | 2026-06-17 | N/A | 5.5 MEDIUM |
| An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access the administrator’s logs on an affected device. | |||||
| CVE-2023-5650 | 1 Zyxel | 20 Atp100, Atp100w, Atp200 and 17 more | 2026-06-17 | N/A | 5.5 MEDIUM |
| An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device. | |||||
| CVE-2023-5593 | 1 Zyxel | 1 Secuextender Ssl Vpn | 2026-06-17 | N/A | 7.8 HIGH |
| The out-of-bounds write vulnerability in the Windows-based SecuExtender SSL VPN Client software version 4.0.4.0 could allow an authenticated local user to gain a privilege escalation by sending a crafted CREATE message. | |||||
| CVE-2023-5372 | 1 Zyxel | 4 Nas326, Nas326 Firmware, Nas542 and 1 more | 2026-06-17 | N/A | 7.2 HIGH |
| The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface. | |||||
| CVE-2023-4474 | 1 Zyxel | 4 Nas326, Nas326 Firmware, Nas542 and 1 more | 2026-06-17 | N/A | 9.8 CRITICAL |
| The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device. | |||||
| CVE-2023-4473 | 1 Zyxel | 4 Nas326, Nas326 Firmware, Nas542 and 1 more | 2026-06-17 | N/A | 9.8 CRITICAL |
| A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device. | |||||
| CVE-2023-4398 | 1 Zyxel | 20 Atp100, Atp100w, Atp200 and 17 more | 2026-06-17 | N/A | 7.5 HIGH |
| 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 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet. | |||||
| CVE-2023-4397 | 1 Zyxel | 16 Atp100, Atp100w, Atp200 and 13 more | 2026-06-17 | N/A | 4.4 MEDIUM |
| A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device. | |||||
| CVE-2023-43314 | 1 Zyxel | 2 Pmg2005-t20b, Pmg2005-t20b Firmware | 2026-06-17 | N/A | 7.5 HIGH |
| ** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid. | |||||
| CVE-2023-37929 | 1 Zyxel | 64 Ax7501-b0, Ax7501-b0 Firmware, Ax7501-b1 and 61 more | 2026-06-17 | N/A | 6.5 MEDIUM |
| The buffer overflow vulnerability in the CGI program of the VMG3625-T50B firmware version V5.50(ABPM.8)C0 could allow an authenticated remote attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device. | |||||
| CVE-2023-37928 | 1 Zyxel | 4 Nas326, Nas326 Firmware, Nas542 and 1 more | 2026-06-17 | N/A | 8.8 HIGH |
| A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device. | |||||
| CVE-2023-37927 | 1 Zyxel | 4 Nas326, Nas326 Firmware, Nas542 and 1 more | 2026-06-17 | N/A | 8.8 HIGH |
| The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device. | |||||
| CVE-2023-37926 | 1 Zyxel | 20 Atp100, Atp100w, Atp200 and 17 more | 2026-06-17 | N/A | 5.5 MEDIUM |
| A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device. | |||||