Browse all 168 CVE security advisories affecting ZyXEL. AI-powered Chinese analysis, POCs, and references for each vulnerability.
ZyXEL Communications specializes in networking hardware, primarily producing broadband routers, wireless access points, and network-attached storage devices for residential and small-to-medium business environments. The company’s product portfolio has been associated with a significant volume of security flaws, with 156 Common Vulnerabilities and Exposures currently on record. Historically, these vulnerabilities frequently involve remote code execution, cross-site scripting, and privilege escalation, often stemming from inadequate input validation and weak authentication mechanisms in embedded web interfaces. Notable incidents include critical flaws allowing unauthenticated attackers to execute arbitrary commands or bypass access controls on various NAS and router models. These recurring issues highlight persistent challenges in the firm’s firmware development lifecycle, necessitating rigorous patch management for deployed infrastructure to mitigate risks of unauthorized system access and data compromise.
| CVE ID | Title | CVSS | Severity | Published |
|---|---|---|---|---|
| CVE-2022-26413 | Zyxel VMG3312-T20A 操作系统命令注入漏洞 — VMG3312-T20A firmware CWE-78 | 8.0 | High | 2022-04-11 |
| CVE-2022-0556 | Zyxel AP Configurator 安全漏洞 — Zyxel AP Configurator (ZAC) CWE-269 | 7.3 | High | 2022-04-11 |
| CVE-2022-0342 | Zyxel USG/ZyWALL 授权问题漏洞 — USG/ZyWALL series firmware CWE-287 | 9.8 | Critical | 2022-03-28 |
| CVE-2021-4039 | Zyxel Nwa-1100-Nh 操作系统命令注入漏洞 — NWA1100-NH firmware CWE-78 | 9.8 | Critical | 2022-03-01 |
| CVE-2021-35036 | Zyxel NWA-1100-NH 命令注入漏洞 — VMG3625-T50B firmware CWE-312 | 6.5 | Medium | 2022-03-01 |
| CVE-2021-4029 | Zyxel Nbg6816和Zyxel Nbg6817 操作系统命令注入漏洞 — ARMOR Z2 (NBG6817) firmware CWE-78 | 8.8 | High | 2022-02-22 |
| CVE-2021-4030 | Zyxel Nbg6816和Zyxel Nbg6817 跨站请求伪造漏洞 — ARMOR Z2 (NBG6817) firmware CWE-352 | 8.0 | High | 2022-02-22 |
| CVE-2021-35035 | Zyxel NBG6604 信息泄露漏洞 — NBG6604 series firmware CWE-312 | 4.9 | Medium | 2021-12-29 |
| CVE-2021-35034 | Zyxel NBG6604 代码问题漏洞 — NBG6604 series firmware CWE-613 | 7.4 | High | 2021-12-29 |
| CVE-2021-35032 | Zyxel GS1900 操作系统命令注入漏洞 — GS1900 series firmware CWE-78 | 6.4 | Medium | 2021-12-28 |
| CVE-2021-35031 | ZyXEL GS1900 操作系统命令注入漏洞 — GS1900 series firmware CWE-78 | 6.8 | Medium | 2021-12-28 |
| CVE-2021-35033 | 多款Zyxel产品授权问题漏洞 — NBG6818 series firmware CWE-260 | 7.8 | High | 2021-11-23 |
| CVE-2021-35028 | Zyxel Vpn2S 操作系统命令注入漏洞 — ZyWALL VPN2S Firmware CWE-78 | 7.3 | High | 2021-09-29 |
| CVE-2021-35027 | Zyxel VPN2S 路径遍历漏洞 — ZyWALL VPN2S Firmware CWE-27 | 7.5 | High | 2021-09-29 |
| CVE-2021-35030 | Zyxel GS1900-8 跨站脚本漏洞 — GS1900-8 Firmware CWE-79 | 3.5 | Low | 2021-07-26 |
| CVE-2021-35029 | ZyXEL ZyWALL USG 授权问题漏洞 — USG/Zywall series Firmware CWE-287 | 9.8 | Critical | 2021-07-02 |
| CVE-2020-9054 | ZyXEL NAS products running firmware version 5.21 and earlier are vulnerable to pre-authentication command injection in weblogin.cgi — NAS326 CWE-78 | 9.8 | - | 2020-03-04 |
| CVE-2018-1164 | ZyXEL P-870H-51 DSL Router 安全漏洞 — ZyXEL P-870H-51 DSL Router CWE-306 | 9.8 | - | 2018-02-21 |
This page lists every published CVE security advisory associated with ZyXEL. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.