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I. Basic Information for CVE-2026-4253
Vulnerability Information

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Vulnerability Title
Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
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
Tenda AC8 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC8是中国腾达(Tenda)公司的一款无线路由器。 Tenda AC8 16.03.50.11版本存在操作系统命令注入漏洞,该漏洞源于对文件/cgi-bin/UploadCfg中参数wans.policy.list1的错误操作,可能导致os命令注入。
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
VendorProductAffected VersionsCPESubscribe
TendaAC8 16.03.50.11 cpe:2.3:o:tenda:ac8_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-4253
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III. Intelligence Information for CVE-2026-4253
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