Zyxel Usg Flex Series Firmware vulnerabilities
50 known vulnerabilities affecting zyxel/usg_flex_series_firmware.
Total CVEs
50
CISA KEV
4
actively exploited
Public exploits
4
Exploited in wild
6
Severity breakdown
CRITICAL6HIGH26MEDIUM18
Vulnerabilities
Page 3 of 3
CVE-2023-35136P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
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
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CVE-2023-37925P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
CVE-2023-37925 [MEDIUM] CWE-269 CVE-2023-37925: An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firm
An improper privilege management vulnerability in the debug CLI command 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, VPN series firmware versions 4.30 through 5.37, N
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CVE-2023-5797P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
CVE-2023-5797 [MEDIUM] CWE-269 CVE-2023-5797: An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firm
An improper privilege management vulnerability in the debug CLI command 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, VPN series firmware versions 4.30 through 5.37, NWA
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CVE-2023-5960P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
CVE-2023-5960 [MEDIUM] CWE-269 CVE-2023-5960: An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series f
An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.37 and VPN series firmware versions 4.30 through 5.37 could allow an authenticated local attacker to access the system files on an affected device.
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CVE-2024-6343P4MEDIUMCVSS 4.9vversions V4.50 through V5.382024-09-03
CVE-2024-6343 [MEDIUM] CWE-120 CVE-2024-6343: A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with adm
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CVE-2023-5650P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
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
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CVE-2023-37926P4MEDIUMCVSS 5.5vversions 4.50 through 5.372023-11-28
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
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CVE-2023-6397P4MEDIUMCVSS 5.3vversion 4.50 through 5.37 Patch 12024-02-20
CVE-2023-6397 [MEDIUM] CWE-476 CVE-2023-6397: A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32
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 denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feat
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CVE-2023-27990P4MEDIUMCVSS 4.8v4.50 through 5.352023-04-24
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
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CVE-2023-4397P4MEDIUMCVSS 4.4v5.372023-11-28
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
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