Zyxel Usg Flex Series Firmware vulnerabilities

CVE-2023-35136 [MEDIUM] CWE-20 CVE-2023-35136: An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware An improper input validation vulnerability in the “Quagga” package 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, coul

CVE-2023-37926 [MEDIUM] CWE-120 CVE-2023-37926: A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLE 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 at

CVE-2023-5650 [MEDIUM] CWE-269 CVE-2023-5650: An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 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

CVE-2023-4397 [MEDIUM] CWE-120 CVE-2023-4397: A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmw 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 comm

CVE-2023-34141 [HIGH] CWE-78 CVE-2023-34141: A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP serie A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series fir

CVE-2023-34138 [HIGH] CWE-78 CVE-2023-34138: A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware 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

CVE-2023-33011 [HIGH] CWE-134 CVE-2023-33011: A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, U 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, c

CVE-2023-34139 [HIGH] CWE-78 CVE-2023-34139: A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series 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.

CVE-2023-28767 [HIGH] CWE-78 CVE-2023-28767: The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware ve The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An una

CVE-2023-33012 [HIGH] CWE-78 CVE-2023-33012: A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versi 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 versio

CVE-2023-34140 [MEDIUM] CWE-120 CVE-2023-34140: A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, N

CVE-2023-33009 [CRITICAL] CWE-120 CVE-2023-33009: A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4 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 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.

CVE-2023-33010 [CRITICAL] CWE-120 CVE-2023-33010: A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 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 versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.

CVE-2023-28771 [CRITICAL] CWE-78 CVE-2023-28771: Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN 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 firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted

CVE-2023-22914 [HIGH] CWE-22 CVE-2023-22914: A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmw A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker with administrator privileges to execute unauthorized OS commands in the “tmp” directory by uploading a crafted file if

CVE-2023-22917 [HIGH] CWE-120 CVE-2023-22917: A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware version 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 through 5.32, USG FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remot

CVE-2023-22915 [HIGH] CWE-120 CVE-2023-22915: A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series fir A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS

CVE-2023-22916 [HIGH] CWE-20 CVE-2023-22916: The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series fi 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 versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthentic

CVE-2023-27991 [HIGH] CWE-78 CVE-2023-27991: The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmw 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 versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could all

CVE-2023-22913 [HIGH] CWE-77 CVE-2023-22913: A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Z A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an aff