CVE-2021-35031
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I. Basic Information for CVE-2021-35031
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZyXEL GS1900 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ZyXEL GS1900是中国台湾合勤（Zyxel）公司的一款管理型交换机。 多款 Zyxel 产品中存在操作系统命令注入漏洞，该漏洞源于产品的TFTP客户端未对可执行系统命令的功能添加权限控制。攻击者可在登陆后通过该漏洞执行任意操作系统命令。以下产品及版本受到影响：Zyxel GS1900系列固件、XGS1210 系列固件、XGS1250系列固件。
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 | GS1900 series firmware | 2.60 | - | |
| Zyxel | XGS1210 series firmware | 1.00(ABTY.4)C0 | - | |
| Zyxel | XGS1250 series firmware | 1.00(ABWE.0)C0 | - |
II. Public POCs for CVE-2021-35031
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-78
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