Zyxel Usg Flex 100 Firmware vulnerabilities
33 known vulnerabilities affecting zyxel/usg_flex_100_firmware.
Total CVEs
33
CISA KEV
5
actively exploited
Public exploits
7
Exploited in wild
6
Severity breakdown
CRITICAL7HIGH18MEDIUM8
Vulnerabilities
Page 2 of 2
CVE-2023-22916P3HIGHCVSS 8.1≥ 5.00, ≤ 5.352023-04-24
CVE-2023-22916 [HIGH] CWE-20 CVE-2023-22916: The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series fi
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 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthentic
nvd
CVE-2023-34138P3HIGHCVSS 8.0≥ 4.60, < 5.372023-07-17
CVE-2023-34138 [HIGH] CWE-78 CVE-2023-34138: A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware
nvd
CVE-2023-34141P3HIGHCVSS 8.0≥ 5.00, < 5.372023-07-17
CVE-2023-34141 [HIGH] CWE-78 CVE-2023-34141: A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP serie
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series fir
nvd
CVE-2023-22914P3HIGHCVSS 7.2≥ 4.50, ≤ 5.352023-04-24
CVE-2023-22914 [HIGH] CWE-22 CVE-2023-22914: A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmw
A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker with administrator privileges to execute unauthorized OS commands in the “tmp” directory by uploading a crafted file if
nvd
CVE-2023-22917P3HIGHCVSS 7.5≥ 5.00, ≤ 5.322023-04-24
CVE-2023-22917 [HIGH] CWE-120 CVE-2023-22917: A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware version
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 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remot
nvd
CVE-2022-0910P3MEDIUMCVSS 6.5≥ 4.50, ≤ 5.212022-05-24
CVE-2022-0910 [MEDIUM] CWE-287 CVE-2022-0910: A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI pro
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 authenticat
nvd
CVE-2023-22918P3MEDIUMCVSS 6.5≥ 4.50, < 5.362023-04-24
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
nvd
CVE-2022-2030P3MEDIUMCVSS 6.5v4.50 through 5.302022-07-19
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.
nvd
CVE-2023-6399P3MEDIUMCVSS 6.5≥ 5.10, < 5.37v5.372024-02-20
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
nvd
CVE-2022-0734P4MEDIUMCVSS 6.1≥ 4.50, ≤ 5.202022-05-24
CVE-2022-0734 [MEDIUM] CWE-79 CVE-2022-0734: A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series fi
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
nvd
CVE-2023-34140P4MEDIUMCVSS 6.5≥ 4.50, < 5.372023-07-17
CVE-2023-34140 [MEDIUM] CWE-120 CVE-2023-34140: A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2,
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, N
nvd
CVE-2023-6397P4MEDIUMCVSS 5.3≥ 4.50, < 5.37v5.372024-02-20
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
nvd
CVE-2023-27990P4MEDIUMCVSS 4.8≥ 4.50, < 5.362023-04-24
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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