CVE-2021-4030
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I. Basic Information for CVE-2021-4030
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A cross-site request forgery vulnerability in the HTTP daemon of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary commands if they coerce or trick a local user to visit a compromised website with malicious scripts.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zyxel Nbg6816和Zyxel Nbg6817 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel Nbg6816和Zyxel Nbg6817都是中国合勤科技（Zyxel）公司的产品。Zyxel Nbg6816是一个双频无线千兆路由器。Zyxel Nbg6817是一个无线路由器。 Zyxel Nbg6816和Zyxel Nbg6817 存在跨站请求伪造漏洞，该漏洞源于在HTTP守护进程中对用户提供的数据没有进行足够的杀毒处理。攻击者可利用该漏洞可以欺骗受害者跟踪一个特别制作的链接，并在用户的浏览器中执行任意的HTML和脚本代码，以攻击脆弱的网站。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Zyxel | ARMOR Z2 (NBG6817) firmware | 1.00(ABCS.10)C0 | - | |
| Zyxel | ARMOR Z1 (NBG6816) firmware | 1.00(AAWB.10)C0 | - |
II. Public POCs for CVE-2021-4030
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-352
- CVE-2021-47953
OpenCart 3.0.3.7 Cross-Site Request Forgery via account/pass - CVE-2021-47946
OpenCart 3.0.36 Account Takeover via Cross Site Request Forg - CVE-2022-50955
WordPress Plugin Curtain 1.0.2 Cross-site Request Forgery - CVE-2026-8194
osTicket Dispatcher class.dispatcher.php cross-site request - CVE-2026-42286
Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2021-4030
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