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 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 ZyWal/USG/UAG Devices - Cross-Site Scripting

Zyxel ZyWall, USG, and UAG devices allow remote attackers to inject arbitrary web script or HTML via the errmsg parameter freetimefailed.cgi CGI program, aka reflective cross-site scripting. id: CVE-2019-12581 info: name: Zyxel ZyWal/USG/UAG Devices - Cross-Site Scripting author: n-thumann...

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...

Zyxel ZyWall UAG/USG - Account Creation Access

Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator via the "Free Time" component. This can lead to unauthorized network access or DoS attacks. id: CVE-2019-12583 info: name: Zyxel ZyWall UAG/USG - Account Creation...

Zyxel VMG1312-B10D 5.13AAXA.8 - Local File Inclusion

Zyxel VMG1312-B10D 5.13AAXA.8 is susceptible to local file inclusion. A remote unauthenticated attacker can send a specially crafted URL request containing "dot dot" sequences /../, conduct directory traversal attacks, and view arbitrary files. id: CVE-2018-19326 info: name: Zyxel VMG1312-B10D...

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...

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,...

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-2026-14818

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-2026-8508

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...

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...