Vulnerabilities > Zyxel

DATE CVE VULNERABILITY TITLE RISK
2023-11-28 CVE-2023-35139 Cross-site Scripting vulnerability in Zyxel ZLD 5.00/5.10/5.37
A cross-site scripting (XSS) vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50(W) series firmware versions 5.10 through 5.37, USG20(W)-VPN series firmware versions 5.10 through 5.37, and VPN series firmware versions 5.00 through 5.37, could allow an unauthenticated LAN-based attacker to store malicious scripts in a vulnerable device.
network
low complexity
zyxel CWE-79
6.1
2023-11-28 CVE-2023-37925 Improper Privilege Management vulnerability in Zyxel products
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 system files on an affected device.
local
low complexity
zyxel CWE-269
5.5
2023-11-28 CVE-2023-37926 Classic Buffer Overflow vulnerability in Zyxel ZLD
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.
local
low complexity
zyxel CWE-120
5.5
2023-11-28 CVE-2023-4397 Classic Buffer Overflow vulnerability in Zyxel ZLD 5.37
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.
local
low complexity
zyxel CWE-120
4.4
2023-11-28 CVE-2023-4398 Integer Overflow or Wraparound vulnerability in Zyxel ZLD
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.
network
low complexity
zyxel CWE-190
7.5
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.
local
low complexity
zyxel CWE-269
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.
local
low complexity
zyxel CWE-787
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.
local
low complexity
zyxel CWE-269
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.
network
low complexity
zyxel CWE-120
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.
low complexity
zyxel CWE-755
6.5