Priority LOW 39
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)…
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.00889 · Published 2024-02-20 · No fix listed CWE-134
Priority LOW 30
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 thro…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00649 · Published 2024-02-20 · No fix listed CWE-134
Priority LOW 36
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…
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01333 · Published 2024-02-20 · Fixed in 6.29(ABYW.4), 6.70(ABVS.1) +2 CWE-78
Priority LOW 29
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause…
CVSS 3.1MEDIUM 6.5· Adjacent network · No auth · No interaction · EPSS 0.003 · Published 2024-02-20 · No fix listed CWE-476
Priority CRITICAL 100KEV
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.29024 · Published 2023-05-24 · No fix listed CWE-120
Priority CRITICAL 100KEV
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.28144 · Published 2023-05-24 · No fix listed CWE-120
Priority CRITICAL 100KEV
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.99284 · Published 2023-04-25 · No fix listed CWE-78
Priority MEDIUM 43
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.…
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.01453 · Published 2023-04-24 · No fix listed CWE-78
Priority LOW 22
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…
CVSS 3.1MEDIUM 4.8· Network · High privileges · User interaction · EPSS 0.00341 · Published 2023-04-24 · No fix listed CWE-79
Priority LOW 32
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00771 · Published 2023-04-24 · No fix listed CWE-359
Priority MEDIUM 41
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…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00879 · Published 2023-04-24 · No fix listed CWE-120
Priority LOW 38
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.…
CVSS 3.1HIGH 8.1· Network · No auth · User interaction · EPSS 0.00693 · Published 2023-04-24 · No fix listed CWE-20
Priority LOW 39
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…
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.02829 · Published 2023-02-07 · No fix listed CWE-78
Priority LOW 27
A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through…
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00386 · Published 2022-12-06 · No fix listed CWE-79
Priority LOW 32
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01354 · Published 2022-07-19 · No fix listed CWE-22
Priority LOW 36
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 t…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.01135 · Published 2022-07-19 · No fix listed CWE-269
Priority MEDIUM 42
A argument injection vulnerability in the 'packet-trace' CLI command 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…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.04789 · Published 2022-05-24 · No fix listed CWE-88
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.0074 · Published 2022-05-24 · No fix listed CWE-287
Priority LOW 39
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 4.3…
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.09669 · Published 2022-05-24 · No fix listed CWE-79
Priority MEDIUM 43
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 versi…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0637 · Published 2022-05-24 · No fix listed CWE-20
Priority CRITICAL 100KEV
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 FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.99944 · Published 2022-05-12 · No fix listed CWE-78
Priority CRITICAL 86
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 5.2…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.95134 · Published 2022-03-28 · No fix listed CWE-287
Priority CRITICAL 100KEV
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.90155 · Published 2020-12-22 · No fix listed CWE-522
Priority CRITICAL 100KEV
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 co…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.99988 · Published 2020-03-04 · No fix listed CWE-78
Priority MEDIUM 46
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 i…
CVSS 3.0MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.2118 · Published 2019-04-22 · No fix listed CWE-79