Product
zyxel usg 20w vpn firmware
30 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
CVE-2023-6764
CVE-2023-6399
CVE-2023-6398
CVE-2023-34141
CVE-2023-34140
CVE-2023-34138
CVE-2023-33012
CVE-2023-33011
CVE-2023-28767
CVE-2023-33010
CVE-2023-33009
CVE-2023-27991
CVE-2023-27990
CVE-2023-22918
CVE-2023-22917
CVE-2023-22916
CVE-2023-22915
CVE-2022-38547
CVE-2022-30526
CVE-2022-2030
CVE-2022-26532
CVE-2022-26531
CVE-2022-0910
CVE-2022-0734
CVE-2022-30525
CVE-2021-35029
CVE-2020-29583
CVE-2020-9054
CVE-2019-9955
CVE-2018-9129
>= 4.16 and < 5.37
A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37
>= 5.10 and < 5.37
A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versi
>= 4.16 and < 5.37
A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 th
>= 5.00 and < 5.37
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 throu
>= 4.16 and < 5.37
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware vers
>= 4.60 and < 5.37
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Pa
>= 5.10 and < 5.37
A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2,
>= 5.10 and < 5.37
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versio
>= 5.10 and < 5.37
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG
all versions
A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG
>= 4.60 and < 5.36
A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG
>= 4.16 and < 5.36
The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35
>= 4.16 and < 5.36
The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware ver
>= 4.16 and < 5.36
A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.3
>= 5.10 and <= 5.32
A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG F
>= 5.10 and <= 5.35
The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5
>= 4.30 and <= 5.35
A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 throug
>= 4.30 and <= 5.32
A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through
>= 4.16 and <= 5.30
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.3
>= 4.20 and <= 5.30
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in so
>= 4.09 and <= 4.71
A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.7
>= 4.09 and <= 4.71
Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 th
>= 4.32 and <= 4.71
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL serie
>= 4.35 and <= 4.70
A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4
>= 5.10 and < 5.30
A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG
>= 4.35 and <= 5.01
An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 th
all versions
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password fo
>= 4.35 and < 4.35\(abar.3\)c0
Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection
all versions
On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, US
all versions
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation