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CVE-2026-104610— Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow

Quick assessment

Affected
Tenda HG7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在Tenda HG7、HG9和HG10 300001138_en_xpon中发现了一个安全漏洞。该漏洞影响了Boa Web Server组件中/boaform/formLoopBack文件的boaGetVar函数。通过对Ethtype参数的操控，可以导致基于栈的缓冲区溢出。该攻击可以远程执行，并且相关利用代码已公开，可能被攻击者使用。

CVSS 10.0 · Critical EPSS 0.64% · P49

Affected Version Matrix 3

VendorProduct Version RangeStatus
Tenda HG10 300001138_en_xpon affected
Tenda HG7 300001138_en_xpon affected
Tenda HG9 300001138_en_xpon affected
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I. Basic Information for CVE-2026-104610

Vulnerability Information
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Vulnerability Title
Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function boaGetVar of the file /boaform/formLoopBack of the component Boa Web Server. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda HG7 300001138_en_xpon cpe:2.3:h:tenda:hg7:*:*:*:*:*:*:*:*
Tenda HG9 300001138_en_xpon cpe:2.3:h:tenda:hg9:*:*:*:*:*:*:*:*
Tenda HG10 300001138_en_xpon cpe:2.3:h:tenda:hg10:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-104610

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III. Intelligence Information for CVE-2026-104610

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Other References for CVE-2026-104610 (1)

IV. Related Vulnerabilities

Same product: HG7
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-104610

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