Vulnerabilities > Zyxel
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-11-28 | CVE-2023-5650 | Improper Privilege Management vulnerability in Zyxel ZLD 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. | 5.5 |
| 2023-11-20 | CVE-2023-5593 | Out-of-bounds Write vulnerability in Zyxel Secuextender SSL VPN 4.0.4.0 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. | 7.8 |
| 2023-11-07 | CVE-2023-35140 | Improper Privilege Management vulnerability in Zyxel products The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device. | 5.5 |
| 2023-09-27 | CVE-2023-43314 | Classic Buffer Overflow vulnerability in Zyxel Pmg2005-T20B Firmware ** 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. | 7.5 |
| 2023-08-14 | CVE-2023-28768 | Improper Handling of Exceptional Conditions vulnerability in Zyxel products Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch. | 6.5 |
| 2023-08-14 | CVE-2023-33013 | OS Command Injection vulnerability in Zyxel Nbg6604 Firmware 1.01(Abir.1)C0 A post-authentication command injection vulnerability in the NTP feature of Zyxel NBG6604 firmware version V1.01(ABIR.1)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request. | 8.8 |
| 2023-07-17 | CVE-2023-33011 | Use of Externally-Controlled Format String vulnerability in Zyxel products A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled. | 8.8 |
| 2023-07-17 | CVE-2023-33012 | OS Command Injection vulnerability in Zyxel products A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled. | 8.8 |
| 2023-07-17 | CVE-2023-34138 | OS Command Injection vulnerability in Zyxel products A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance. | 8.0 |
| 2023-07-17 | CVE-2023-34139 | OS Command Injection vulnerability in Zyxel products A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device. | 8.8 |