Zyxel NBG2105 V1.00(AAGU.2)C0 - Authentication Bypass

Zyxel NBG2105 V1.00AAGU.2C0 devices are susceptible to authentication bypass vulnerabilities because setting the login cookie to 1 provides administrator access. id: CVE-2021-3297 info: name: Zyxel NBG2105 V1.00AAGU.2C0 - Authentication Bypass author: gy741 severity: high description: Zyxel NBG21...

Zyxel ZyWALL 2 Plus Internet Security Appliance - Cross-Site Scripting

ZyXEL ZyWALL 2 Plus Internet Security Appliance contains a cross-site scripting vulnerability. Insecure URI handling leads to bypass of security restrictions, which allows an attacker to execute arbitrary JavaScript codes to perform multiple attacks. id: CVE-2021-46387 info: name: Zyxel ZyWALL 2...

ZyXel USG - Hardcoded Credentials

A hardcoded credential vulnerability was identified in the 'zyfwp' user account in some Zyxel firewalls and AP controllers. The account was designed to deliver automatic firmware updates to connected access points through FTP. id: CVE-2020-29583 info: name: ZyXel USG - Hardcoded Credentials autho...

Zyxel - Cross-Site Scripting

Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, and ZyWALL 1100 devices contain a reflected cross-site scripting vulnerability on the security firewall login page via the mpidx...

CVE-2026-14818

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

CVE-2026-8508

An improper authentication vulnerability in the "sociallogin.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an attacker on the WLAN to bypass captive portal authentication...

CVE-2026-6837

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device...

CVE-2026-14818

CVE-2026-14818 describes a path traversal vulnerability in the CLI command used to execute configuration files on Zyxel devices. Affected firmware ranges include Zyxel ATP series (V4.32–V5.42 Patch 1), USG FLEX series (V4.50–V5.42 Patch 1), USG FLEX 50(W) series (V4.16–V5.42 Patch 1), and USG20(W...

CVE-2026-14818

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

CVE-2026-14818

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

EUVD-2026-52569

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

CVE-2026-8508

An improper authentication vulnerability in the "sociallogin.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an attacker on the WLAN to bypass captive portal authentication...

CVE-2026-8508

An improper authentication vulnerability in the "sociallogin.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an attacker on the WLAN to bypass captive portal authentication...

EUVD-2026-52567

An improper authentication vulnerability in the "sociallogin.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an attacker on the WLAN to bypass captive portal authentication...

CVE-2026-6837

CVE-2026-6837 affects Zyxel WAX650S devices, via a post-authentication command injection in the export-cgi CGI program. The flaw is exploitable by an authenticated administrator, enabling OS command execution on the device. Affected firmware versions go through 7.10(ABRM.4)C0. The CVSS 3.1 vector...

CVE-2026-6837

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device...

EUVD-2026-52566

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device...

CVE-2026-6837

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device...

PT-2026-67635

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

PT-2026-67634

An improper authentication vulnerability in the "social login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10ABRM.4C0 could allow an attacker on the WLAN to bypass captive portal authentication...