Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Total 248 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-22919 1 Zyxel 2 Nbg6604, Nbg6604 Firmware 2024-02-04 N/A 8.8 HIGH
The post-authentication command injection vulnerability in the Zyxel NBG6604 firmware version V1.01(ABIR.0)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request.
CVE-2023-27988 1 Zyxel 6 Nas326, Nas326 Firmware, Nas540 and 3 more 2024-02-04 N/A 7.2 HIGH
The post-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.13)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device remotely.
CVE-2023-27991 1 Zyxel 38 Atp100, Atp100 Firmware, Atp100w and 35 more 2024-02-04 N/A 8.8 HIGH
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 4.16 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 to execute some OS commands remotely.
CVE-2022-45853 1 Zyxel 20 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 17 more 2024-02-04 N/A 6.7 MEDIUM
The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.
CVE-2023-22915 1 Zyxel 24 Usg 20w-vpn, Usg 20w-vpn Firmware, Usg Flex 100 and 21 more 2024-02-04 N/A 7.5 HIGH
A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS conditions by sending a crafted HTTP request if the Facebook WiFi function were enabled on an affected device.
CVE-2023-22924 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2024-02-04 N/A 4.9 MEDIUM
A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.
CVE-2023-22916 1 Zyxel 36 Atp100, Atp100 Firmware, Atp100w and 33 more 2024-02-04 N/A 8.1 HIGH
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 unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attacker could trick an authorized administrator to switch the management mode to the cloud mode.
CVE-2023-27992 1 Zyxel 6 Nas326, Nas326 Firmware, Nas540 and 3 more 2024-02-04 N/A 9.8 CRITICAL
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
CVE-2023-22922 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2024-02-04 N/A 7.5 HIGH
A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if Telnet is enabled on a vulnerable device.
CVE-2022-45440 1 Zyxel 2 Ax7501-b0, Ax7501-b0 Firmware 2024-02-04 N/A 4.4 MEDIUM
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.
CVE-2022-43392 1 Zyxel 96 Ax7501-b0, Ax7501-b0 Firmware, Dx3301-t0 and 93 more 2024-02-04 N/A 6.5 MEDIUM
A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted authorization request.
CVE-2022-43391 1 Zyxel 96 Ax7501-b0, Ax7501-b0 Firmware, Dx3301-t0 and 93 more 2024-02-04 N/A 6.5 MEDIUM
A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted HTTP request.
CVE-2022-45854 1 Zyxel 12 Nwa110ax, Nwa110ax Firmware, Nwa210ax and 9 more 2024-02-04 N/A 4.3 MEDIUM
An improper check for unusual conditions in Zyxel NWA110AX firmware verisons prior to 6.50(ABTG.0)C0, which could allow a LAN attacker to cause a temporary denial-of-service (DoS) by sending crafted VLAN frames if the MAC address of the vulnerable AP were intercepted by the attacker.
CVE-2022-40602 1 Zyxel 2 Lte3301-m209, Lte3301-m209 Firmware 2024-02-04 N/A 9.8 CRITICAL
A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured password if the remote administration feature has been enabled by an authenticated administrator.
CVE-2023-22920 1 Zyxel 4 Lte3202-m437, Lte3202-m437 Firmware, Lte3316-m604 and 1 more 2024-02-04 N/A 9.8 CRITICAL
A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00(ABMP.6)C0 due to a factory default misconfiguration intended for testing purposes. A remote attacker could leverage this vulnerability to access an affected device using Telnet.
CVE-2020-15332 1 Zyxel 1 Cloudcnm Secumanager 2024-02-04 N/A 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has weak /opt/axess/etc/default/axess permissions.
CVE-2022-2030 1 Zyxel 50 Atp100, Atp100 Firmware, Atp100w and 47 more 2024-02-04 N/A 6.5 MEDIUM
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 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
CVE-2020-15341 1 Zyxel 1 Cloudcnm Secumanager 2024-02-04 N/A 7.5 HIGH
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated update_all_realm_license API.
CVE-2020-15329 1 Zyxel 1 Cloudcnm Secumanager 2024-02-04 N/A 5.3 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has weak Data.fs permissions.
CVE-2020-15330 1 Zyxel 1 Cloudcnm Secumanager 2024-02-04 N/A 5.3 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded APP_KEY in /opt/axess/etc/default/axess.