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CVE-2026-1690— Tenda HG10 formSysCmd system command injection

Quick assessment

Affected
Tenda HG10
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda HG10是中国腾达（Tenda）公司的一个光猫路由器。 Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon存在命令注入漏洞，该漏洞源于对文件/boaform/formSysCmd中参数sysCmd的错误操作，可能导致命令注入。

CVSS 4.7 · Medium EPSS 4.75% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1690

Vulnerability Information
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Vulnerability Title
Tenda HG10 formSysCmd system command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. This affects the function system of the file /boaform/formSysCmd. This manipulation of the argument sysCmd causes command injection. The attack may be initiated remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda HG10 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda HG10是中国腾达（Tenda）公司的一个光猫路由器。 Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon存在命令注入漏洞，该漏洞源于对文件/boaform/formSysCmd中参数sysCmd的错误操作，可能导致命令注入。
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

Vendor Product Affected Versions CPE Subscribe
Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1690

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III. Intelligence Information for CVE-2026-1690

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Proof of Concept for CVE-2026-1690 (1)

Same Patch Batch · Tenda · 2026-01-30 · 3 CVEs total

CVE-2026-1689 7.3 HIGH Tenda HG10 Login formLogin checkUserFromLanOrWan command injection
CVE-2026-1687 7.3 HIGH Tenda HG10 Boa Webserver formSamba command injection

IV. Related Vulnerabilities

Same product: HG10
Same vendor: Tenda
Same weakness: CWE-77

V. Comments for CVE-2026-1690

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