Zyxel Usg20-Vpn Firmware vulnerabilities

CVE-2023-6398 [HIGH] CWE-78 CVE-2023-6398: A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series 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,

CVE-2023-6764 [HIGH] CWE-134 CVE-2023-6764: A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series 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

CVE-2023-6399 [MEDIUM] CWE-134 CVE-2023-6399: A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, 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

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-2023-27991 [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-2023-27990 [MEDIUM] CWE-79 CVE-2023-27990: The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35 The cross-site scripting (XSS) vulnerability in 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 allow an authenticated attacker

CVE-2023-22918 [MEDIUM] CWE-359 CVE-2023-22918: A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firm A post-authentication information exposure vulnerability in the CGI program 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, VPN series firmware versions 4.30 through 5.35, NWA110AX firmwa

CVE-2022-38547 [HIGH] CWE-78 CVE-2022-38547: A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator pr

CVE-2022-30526 [HIGH] CWE-269 CVE-2022-30526: A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firm 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 versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmw

CVE-2022-2030 [MEDIUM] CWE-22 CVE-2022-2030: A directory traversal vulnerability caused by specific character sequences within an improperly sani A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.

CVE-2021-35029 [CRITICAL] CWE-287 CVE-2021-35029: An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall se An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.

CVE-2020-29583 [CRITICAL] CWE-522 CVE-2020-29583: Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchange 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 in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.

CVE-2020-9054 [CRITICAL] CWE-78 CVE-2020-9054: Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-au Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable device. ZyXEL NAS devices achieve authentication by using the weblogin.cgi CGI executable. This program fails to

CVE-2019-9955 [MEDIUM] CWE-79 CVE-2019-9955: On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210 On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page is vulnerable to Reflected XSS via the unsanitized 'mp_idx' parameter.