Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Filtered by product Usg Flex 100 Firmware
Total 26 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2022-26531 1 Zyxel 130 Atp100, Atp100 Firmware, Atp100w and 127 more 2024-11-21 4.6 MEDIUM 6.1 MEDIUM
Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.
CVE-2022-0910 1 Zyxel 64 Atp100, Atp100 Firmware, Atp100w and 61 more 2024-11-21 4.0 MEDIUM 6.5 MEDIUM
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.
CVE-2022-0734 1 Zyxel 64 Atp100, Atp100 Firmware, Atp100w and 61 more 2024-11-21 4.3 MEDIUM 5.8 MEDIUM
A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.
CVE-2022-0342 1 Zyxel 46 Atp100, Atp100 Firmware, Atp100w and 43 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware versions V1.20 through V1.33 Patch 4, which could allow an attacker to bypass the web authentication and obtain administrative access of the device.
CVE-2021-35029 1 Zyxel 74 Usg100, Usg1000, Usg1000 Firmware and 71 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
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 1 Zyxel 60 Atp100, Atp100 Firmware, Atp100w and 57 more 2024-11-21 10.0 HIGH 9.8 CRITICAL
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.